China National Standards

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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "pp" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 5121.12-2008 Methods for chemical analysis of copper and copper alloys - Part 12:Determination of antimony content
    铜及铜合金化学分析方法 第12部分:锑含量的测定
    China National Standards
    pp

    English PDF
    GB/T 5121.1-2008 Methods for chemical analysis of copper and copper alloys - Part 1:Determination of copper content
    铜及铜合金化学分析方法 第1部分:铜含量的测定
    China National Standards
    pp

    English PDF
    GB/T 5121.11-2008 Methods for chemical analysis of copper and copper alloys - Part 11:Determination of zinc content
    铜及铜合金化学分析方法 第11部分:锌含量的测定
    China National Standards
    pp

    English PDF
    GB/T 5121.10-2008 Methods for chemical analysis of copper and copper alloys - Part 10:Determination of tin content
    铜及铜合金化学分析方法 第10部分:锡含量的测定
    China National Standards
    pp

    English PDF
    GB/T 2059-2008 Strip of copper and copper alloy
    铜及铜合金带材
    China National Standards
    pp

    English PDF
    GB/T 2040-2008 Sheet of copper and copper alloy
    铜及铜合金板材
    China National Standards
    pp

    English PDF
    GB/T 4934.2-2008 Instrument for soil test - Shear apparatus - Part 2:Field vane shear apparatus
    土工试验仪器 剪切仪 第2部分:现场十字板剪切仪
    China National Standards
    pp

    English PDF
    GB/T 4934.1-2008 Instrument for soil test - Shear apparatus - Part 1: Strain-controlled direct shear apparatus
    土工试验仪器 剪切仪 第1部分:应变控制式直剪仪
    China National Standards
    pp

    English PDF
    GB 4706.9-2008 Household and similar electrical appliances - Safety - Particular requirements for shavers,hair clippers and similar appliances
    家用和类似用途电器的安全 剃须刀、电推剪及类似器具的特殊要求
    China National Standards
    pp

    English PDF
    GB 4706.89-2008 Safety of household and similar electrical appliances - Particular requirements for high pressure cleaners and steam cleaners, for industrial and commercial use
    家用和类似用途电器的安全 工业和商用高压清洁器与蒸汽清洁器的特殊要求
    China National Standards
    pp

    English PDF
    GB 4706.88-2008 Safety of household and similar electrical appliances - Particular requirements for wet and dry vacuum cleaners,including power brush,for industrial and commercial use
    家用和类似用途电器的安全 工业和商用带动力刷的湿或干吸尘器的特殊要求
    China National Standards
    pp

    English PDF
    GB 4706.87-2008 Safety of household and similar electrical appliances - Particular requirements for spray extraction appliances,for industrial and commercial use
    家用和类似用途电器的安全 工业和商用喷雾抽吸器具的特殊要求
    China National Standards
    pp

    English PDF
    GB 4706.86-2008 Safety of household and similar electrical appliances - Particular requirements for floor treatment and floor cleaning machines,for industrial and commercial use
    家用和类似用途电器的安全 工业和商用地板处理机与地面清洗机的特殊要求
    China National Standards
    pp

    English PDF
    GB 16843-2008 Single-capped fluorescent lamps - Safety specifications
    单端荧光灯的安全要求
    China National Standards
    pp

    English PDF
    GB/T 7095.7-2008 Enamelled rectangular copper winding wires - Part 7:Polyester enamelled rectangular copper wire, class 130
    漆包铜扁绕组线 第7部分:130级聚酯漆包铜扁线
    China National Standards
    pp

    English PDF
    GB/T 7095.6-2008 Enamelled rectangular copper winding wires - Part 6: Polyester or polyesterimide overcoated with polyamide-imide enamelled rectangular copper wire, class 200
    漆包铜扁绕组线 第6部分:200级聚酯或聚酯亚胺/聚酰胺酰亚胺复合漆包铜扁线
    China National Standards
    pp

    English PDF
    GB/T 7095.5-2008 Enamelled rectangular copper winding wires - Part 5:Aromatic polyimide enamelled rectangular copper wire, class 240
    漆包铜扁绕组线 第5部分:240级芳族聚酰亚胺漆包铜扁线
    China National Standards
    pp

    English PDF
    GB/T 7095.4-2008 Enamelled rectangular copper winding wires - Part 4:Polyesterimide enamelled rectangular copper wire, class 180
    漆包铜扁绕组线 第4部分:180级聚酯亚胺漆包铜扁线
    China National Standards
    pp

    English PDF
    GB/T 7095.3-2008 Enamelled rectangular copper winding wires - Part 3:Polyester enamelled rectangular copper wire, class 155
    漆包铜扁绕组线 第3部分:155级聚酯漆包铜扁线
    China National Standards
    pp

    English PDF
    GB/T 7095.2-2008 Enamelled rectangular copper winding wires - Part 2:Polyvinyl acetal enamelled rectangular copper wire,class 120
    漆包铜扁绕组线 第2部分:120级缩醛漆包铜扁线
    China National Standards
    pp

    English PDF
    GB/T 7095.1-2008 Enamelled rectangular copper winding wires - Part 1:General requirements
    漆包铜扁绕组线 第1部分:一般规定
    China National Standards
    pp

    English PDF
    GB/T 21975-2008 Method of test for reliability of three-phase induction motors for crane and metallurgical application
    起重及冶金用三相异步电动机可靠性试验方法
    China National Standards
    pp

    English PDF
    GB/T 21974-2008 Technical specification for YZRW range of eddy-current braking wound-rotor three-phase induction motors for crane and metallurgical application
    YZRW系列起重及冶金用涡流制动绕线转子三相异步电动机技术条件
    China National Standards
    pp

    English PDF
    GB/T 21973-2008 Technical specification for YZR3 range of wound-rotor three-phase induction motors for crane & metallurgical applications
    YZR3系列起重及冶金用绕线转子三相异步电动机技术条件
    China National Standards
    pp

    English PDF
    GB/T 21972.1-2008 Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical application - Part 1:YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applicati
    起重及冶金用变频调速三相异步电动机技术条件 第1部分:YZP系列起重及冶金用变频调速三相异步电动机
    China National Standards
    pp

    English PDF
    GB/T 21971-2008 Technical specification for YZD range of multi-speed three-phase induction motors for crane application
    YZD系列起重用多速三相异步电动机技术条件
    China National Standards
    pp

    English PDF
    GB/T 21969-2008 Technical specification for YGP series variable-frequency adjustable-speed shree-phase induction motors for roll table application
    YGP系列辊道用变频调速三相异步电动机技术条件
    China National Standards
    pp

    English PDF
    GB/T 21968-2008 Technical specification for YBZS range of flame-proof double-speed three-phase induction motors for crane application
    YBZS系列起重用隔爆型双速三相异步电动机技术条件
    China National Standards
    pp

    English PDF
    GB/T 21967-2008 YBZE、YBZSE Range three-phase induction motors for crane application flameproof electromagnetic braking technical specifications
    YBZE、YBZSE系列起重用隔爆型电磁制动三相异步电动机技术条件
    China National Standards
    pp

    English PDF
    GB/T 12967.6-2008 Test Methods for anodic oxidation coatings of aluminium and aluminium alloys - Part 6:Determination of color differences and appearance of colored anodic oxide films by viewing method
    铝及铝合金阳极氧化膜检测方法 第6部分:目视观察法检验着色阳极氧化膜色差和外观质量
    China National Standards
    pp

    English PDF
    GB/T 12967.3-2008 Test Methods for anodic oxidation coatings of aluminium and aluminium alloys - Part 3 : Copper accelerated acetic acid salt spray test(CASS test)
    铝及铝合金阳极氧化膜检测方法 第3部分:铜加速乙酸盐雾试验(CASS试验)
    China National Standards
    pp

    English PDF
    GB/T 12967.2-2008 Test Methods for anodic oxidation coatings of aluminium and aluminium alloys - Part 2: measurement of wear risistance and wear index of anodic oxidation coatings with an abrasive wheel wear test appaeratus
    铝及铝合金阳极氧化膜检测方法 第2部分:用轮式磨损试验仪测定阳极氧化膜的耐磨性和耐磨系数
    China National Standards
    pp

    English PDF
    GB/T 12967.1-2008 Test Methods for anodic oxidation coatings of aluminium and aluminium alloys - Part 1:Measurement of mean specific abrasion resistance of anodic oxidation coatings with an abrasive jet test Apparatus
    铝及铝合金阳极氧化膜检测方法 第1部分:用喷磨试验仪测定阳极氧化膜的平均耐磨性
    China National Standards
    pp

    English PDF
    GB/T 11066.5-2008 Methods for chemical analysis of gold - Determination of silver,copper,iron,lead,antimony and bismuth contents - Atomic emission spectrometry
    金化学分析方法 银、铜、铁、铅、锑和铋量的测定 原子发射光谱法
    China National Standards
    pp

    English PDF
    GB/T 11066.4-2008 Methods for chemical analysis of gold - Determination of copper, lead and bismuth contents - Flame atomic absorption spectrometry
    金化学分析方法 铜、铅和铋量的测定 火焰原子吸收光谱法
    China National Standards
    pp

    English PDF
    GB 21976.1-2008 Escape apparatus for building fire - Part 1: Equipping guide
    建筑火灾逃生避难器材 第1部分:配备指南
    China National Standards
    pp

    English PDF
    GB/T 9768-2008 Regulation of application and maintenance of tyre
    轮胎使用与保养规程
    China National Standards
    pp

    English PDF
    GB/T 9260-2008 Boottopping paint for ship
    船用水线漆
    China National Standards
    pp

    English PDF
    GB/T 8295-2008 Natural Rubber and latex - Determination of copper content - Photometric method
    天然橡胶和胶乳 铜含量的测定 光度法
    China National Standards
    pp

    English PDF
    GB/T 21989-2008 Plastics - Poly(vinyl chloride)pastes - Determination of apparent viscosity using the severs rheometer
    塑料 聚氯乙烯糊 用Severs流变仪测定表观黏度
    China National Standards
    pp

    English PDF
    GB/T 1721-2008 Determination of appearance and transparency of varnishes, boiled oils and thinners
    清漆、清油及稀释剂外观和透明度测定法
    China National Standards
    pp

    English PDF
    GB/T 21952-2008 Polycrystalline diamond inserts,tipped - Dimensions
    镶聚晶金刚石刀片 尺寸
    China National Standards
    pp

    English PDF
    GB/T 21951-2008 Cubic boron nitride inserts,tipped or solid - Dimensions
    镶或整体立方氮化硼刀片 尺寸
    China National Standards
    pp

    English PDF
    GB/T 15610-2008 Method for visual appraisal of metamerism
    同色异谱的目视评价方法
    China National Standards
    pp

    English PDF
    GB/T 9996.2-2008 Determination of appearance quality of yarns made of cotton or man-made fibers,or their blends by winding on the black board - Part 2: individual assessment
    棉及化纤纯纺、混纺纱线外观质量黑板检验方法 第2部分:分别评定法
    China National Standards
    pp

    English PDF
    GB/T 9996.1-2008 Determination of appearance quality of yarns made of cotton or man-made fibres,or their blends by winding on the black board - Part 1:comprehensive assessment
    棉及化纤纯纺、混纺纱线外观质量黑板检验方法 第1部分:综合评定法
    China National Standards
    pp

    English PDF
    GB/T 2900.18-2008 Electrotechnical terminology - Low voltage apparatus
    电工术语 低压电器
    China National Standards
    pp

    English PDF
    GB/T 17626.7-2008 Electromagnetic compatibility - Testing and measurement techniques - General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto
    电磁兼容 试验和测量技术 供电系统及所连设备谐波、谐间波的测量和测量仪器导则
    China National Standards
    pp

    English PDF
    GB/T 3914-2008 Chemical reagent - The general rules of anodic stripping voltammetry
    化学试剂 阳极溶出伏安法通则
    China National Standards
    pp

    English PDF
    GB/T 21841-2008 Antioxidant 6ppD
    防老剂6PPD
    China National Standards
    pp

    English PDF
    GB/T 12680-2008 Alcohol soluble dyes - Determination for general properties of application
    醇溶染料 一般性能的测定
    China National Standards
    pp

    English PDF
    GB/T 2466-2008 Pyrites and concentrate - Determination of copper content - Flame atomic absorption spectrometric and spectrophotometric methods
    硫铁矿和硫精矿中铜含量的测定 火焰原子吸收光谱法和分光光度法
    China National Standards
    pp

    English PDF
    GB/T 21874-2008 Elastomeric seals - Requirements for materials for pipe joint seals used in water and drainage applications - Thermoplastic elastomers
    弹性体密封件 排水管道接口密封件材料要求 热塑性弹性体
    China National Standards
    pp

    English PDF
    GB/T 21873-2008 Rubber seals - Joint rings for water supply, drainage and sewerage pipelines - Specification for materials
    橡胶密封件 给、排水管及污水管道用接口密封圈 材料规范
    China National Standards
    pp

    English PDF
    GB/T 7731.3-2008 Ferrotungsten - Determination of copper content - Bis(cyclohexanone)oxalyldihydrazone photometric method and flame atomic absorption spectrometric method
    钨铁 铜含量的测定 双环己酮草酰二腙光度法和火焰原子吸收光谱法
    China National Standards
    pp

    English PDF
    GB/T 3654.2-2008 Ferroniobium - Determination of copper content - The neocuproine-choroform extraction photometric method
    铌铁 铜含量的测定 新亚铜灵 三氯甲烷萃取光度法
    China National Standards
    pp

    English PDF
    GB/T 15062-2008 Superalloy tube for general application
    一般用途高温合金管
    China National Standards
    pp

    English PDF
    GB/T 3758-2008 24° cone connectors - Weld-on nipple
    卡套式管接头用锥密封焊接接管
    China National Standards
    pp

    English PDF
    GB/T 7901-2008 Black pepper
    黑胡椒
    China National Standards
    pp

    English PDF
    GB/T 7900-2008 White pepper
    白胡椒
    China National Standards
    pp

    English PDF
    GB/T 10651-2008 Fresh apple
    鲜苹果
    China National Standards
    pp

    English PDF
    GB/T 21705-2008 Power monitor for low-voltage electrical apparatus
    低压电器电量监控器
    China National Standards
    pp

    English PDF
    GB/T 6109.9-2008 Enamelled round winding wire - Part 9:Solderable polyurethane enamelled round copper wire overcoated with polyamide,class 130
    漆包圆绕组线 第9部分:130级聚酰胺复合直焊聚氨酯漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.7-2008 Enamelled round winding wire - Part 7:Polyester enamelled round copper wire,class 130L
    漆包圆绕组线 第7部分:130L级聚酯漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.6-2008 Enamelled round winding wire - Part 6:Polyimide enamelled round copper wire, class 220
    漆包圆绕组线 第6部分:220级聚酰亚胺漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.5-2008 Enamelled round winding wire - Part 5:Polyesterimide enamelled round copper wire,class 180
    漆包圆绕组线 第5部分:180级聚酯亚胺漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.4-2008 Enamelled round winding wire - Part 4:Solderable polyurethane enamelled round copper wire,class 130
    漆包圆绕组线 第4部分:130级直焊聚氨酯漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.3-2008 Enamelled round winding wire - Part 3:Polyvinyl acetal enamelled round copper wire,class 120
    漆包圆绕组线 第3部分:120级缩醛漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.23-2008 Enamelled round winding wire - Part 23: Solderable polyurethane enamelled round copper wire,class 180
    漆包圆绕组线 第23部分:180级直焊聚氨酯漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.22-2008 Enamelled round winding wire - Part 22: Aromatic polyimide enamelled round copper wire,class 240
    漆包圆绕组线 第22部分:240级芳族聚酰亚胺漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.2-2008 Enamelled round winding wire - Part 2: Polyester enamelled round copper wire,class 155
    漆包圆绕组线 第2部分:155级聚酯漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.21-2008 Enamelled round winding wire - Part 21: Polyester-amide-imide enamelled round copper wire,class 200
    漆包圆绕组线 第21部分:200级聚酯-酰胺-亚胺漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.20-2008 Enamelled round winding wire - Part 20: Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper wire,class 200
    漆包圆绕组线 第20部分:200级聚酰胺酰亚胺复合聚酯或聚酯亚胺漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.19-2008 Enamelled round winding wire - Part 19: Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper wire,class 200,with a bonding layer
    漆包圆绕组线 第19部分:200级自粘性聚酰胺酰亚胺复合聚酯或聚酯亚胺漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.18-2008 Enamelled round winding wire - Part 18: Polyesterimide enamelled round copper wire,class 180,with a bonding layer
    漆包圆绕组线 第18部分:180级自粘性聚酯亚胺漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.17-2008 Enamelled round winding wire - Part 17: Solderable polyesterimide enamelled round copper wire,class 180,with a bonding layer
    漆包圆绕组线 第17部分:180级自粘性直焊聚酯亚胺漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.16-2008 Enamelled round winding wire - Part 16: Solderable polyurethane enamelled round copper wire,class 155,with a bonding layer
    漆包圆绕组线 第16部分:155级自粘性直焊聚氨酯漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.15-2008 Enamelled round winding wire - Part 15:Solderable polyurethane enamelled round copper wire,class 130,with a bonding layer
    漆包圆绕组线 第15部分:130级自粘性直焊聚氨酯漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.14-2008 Enamelled round winding wire - Part 14: Polyamide-imide enamelled round copper wire,class 200
    漆包圆绕组线 第14部分:200级聚酰胺酰亚胺漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.13-2008 Enamelled round winding wire - Part 13: Solderable polyesterimide enamelled round copper wire,class 180
    漆包圆绕组线 第13部分:180级直焊聚酯亚胺漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.12-2008 Enamelled round winding wire - Part 12: Polyester or polyesterimide enamelled round copper wire overcoated with polyamide,class 180
    漆包圆绕组线 第12部分:180级聚酰胺复合聚酯或聚酯亚胺漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.11-2008 Enamelled round winding wire - Part 11: Solderable polyurethane enamelled round copper wire overcoated with polyamide,class 155
    漆包圆绕组线 第11部分:155级聚酰胺复合直焊聚氨酯漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 6109.10-2008 Enamelled round winding wire - Part 10: Solderable polyurethane enamelled round copper wire,class 155
    漆包圆绕组线 第10部分:155级直焊聚氨酯漆包铜圆线
    China National Standards
    pp

    English PDF
    GB/T 21709.5-2008 Standardized manipulations of acupuncture and moxibustion - Part 5: Cupping therapy
    针灸技术操作规范 第5部分 拔罐
    China National Standards
    pp

    English PDF
    GB/T 9460-2008 Copper and copper alloy wires and rods
    铜及铜合金焊丝
    China National Standards
    pp

    English PDF
    GB/T 21662-2008 The puick testing method and evaluation for plastic shopping bags
    塑料购物袋的快速检测方法与评价
    China National Standards
    pp

    English PDF
    GB/T 21661-2008 Plastic shopping bags
    塑料购物袋
    China National Standards
    pp

    English PDF
    GB 21660-2008 The general requirement for environmental protection, safety, identification and marking of plastic shopping bags
    塑料购物袋的环保、安全和标识通用技术要求
    China National Standards
    pp

    English PDF
    GB 4706.85-2008 Safety of household and similar electrical appliances - Particular requirements for skin exposure to ultraviolet and infrared radiation
    家用和类似用途电器的安全 紫外线和红外线辐射皮肤器具的特殊要求
    China National Standards
    pp

    English PDF
    GB 4706.27-2008 Household and similar electrical appliances-safety - Part 2: Particular requirements for fans
    家用和类似用途电器的安全 第2部分:风扇的特殊要求
    China National Standards
    pp

    English PDF
    GB 4706.15-2008 Household and similar electrical appliances-safety - Particular requirements for appliances for skin or hair care
    家用和类似用途电器的安全 皮肤及毛发护理器具的特殊要求
    China National Standards
    pp

    English PDF
    GB/T 21696-2008 Feed additive - Copper chloride hydroxide
    饲料添加剂 碱式氯化铜
    China National Standards
    pp

    English PDF
    GB/T 8923.2-2008 Preparation of steel substrates before application of paints and related products-Visual assessment of surface cleanliness - Part 2: Preparation grades of praviously coated steel substrates after localized removal of previous coatings
    涂覆涂料前钢材表面处理 表面清洁度的目视评定 第2部分: 已涂覆过的钢材表面局部清除原有涂层后的处理等级
    China National Standards
    pp

    English PDF
    GB/T 21592-2008 Dangerous goods - Topple test method for intermediate bulk containers (IBCs)
    危险品 中型散装容器(IBCs)倾覆试验方法
    China National Standards
    pp

    English PDF
    GB/T 18838.4-2008 Preparation of steel substrates before application of paints and related products-Specifications for metallic blast-cleaning abrasives - Part 4:Low-carbon cast-steel shot
    涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 第4部分: 低碳铸钢丸
    China National Standards
    pp

    English PDF
    GB/T 18838.3-2008 Preparation of steel substrates before application of paints and related products-Specifications for metallic blast-cleaning abrasives - Part 3: High-carbon cast-steel shot and grit
    涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 第3部分: 高碳铸钢丸和砂
    China National Standards
    pp

    English PDF
    GB/T 18570.12-2008 Preparation of steel substrates before application of paints and related products-Tests for the assessment of surface cleanliness - Part 12: Field method for the titrimetric determination of water-soluble ferrous ions
    涂覆涂料前钢材表面处理 表面清洁度的评定试验 第12部分: 水溶性铁离子的现场滴定测定法
    China National Standards
    pp

    English PDF
    GB/T 13288.1-2008 Preparation of steel substrates before application of paints and related products-Surface roughness characteristics of blast-cleaned substrates - Part 1: Specifications and definitions for ISO surface profile comparators for the assessment of abrasive bl
    涂覆涂料前钢材表面处理 喷射清理后的钢材表面粗糙度特性 第1部分: 用于评定喷射清理后钢材表面粗糙度的ISO表面粗糙度比较样块的技术要求和定义
    China National Standards
    pp

    English PDF
    GB/T 15972.32-2008 Specifications for optical fibre test methods - Part 32: Measurement methods and test procedures for mechanical characteristics - Coating strippability
    光纤试验方法规范 第32部分:机械性能的测量方法和试验程序 涂覆层可剥性
    China National Standards
    pp

    English PDF
    GB/T 5248-2008 Copper and copper alloy-seamless tubes-eddy current testing method
    铜及铜合金无缝管涡流探伤方法
    China National Standards
    pp

    English PDF

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