Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 6974.5-2023 |
Cranes Terminology Part 5: Bridge and gantry cranes {译} 起重机 术语 第5部分：桥式和门式起重机 |
China National Standards ridge |
 English PDF |
| GB/Z 41983-2022 |
Hydraulic Screw-in Cartridge Valve Mounting Connection Dimensions {译} 液压螺纹插装阀 安装连接尺寸 |
China National Standards ridge |
English PDF |
| GB/T 40457-2021 |
Detection and identification of Colletotrichum kahawae J.M. Waller & Bridge 咖啡浆果炭疽病菌检疫鉴定方法 |
China National Standards ridge |
English PDF |
| GB/T 2877.2-2021 |
Hydraulic two-port slip-in cartridge valves—Part 2: Mounting dimensions 液压二通盖板式插装阀 第2部分：安装连接尺寸 |
China National Standards ridge |
English PDF |
| GB/T 20303.5-2021 |
Cranes—Cabins and control stations—Part 5: Overhead travelling and portal bridge cranes 起重机 司机室和控制站 第5 部分:桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB/T 22437.5-2021 |
Cranes—Design principles for loads and load combinations—Part 5：Overhead travelling and portal bridge cranes 起重机 载荷与载荷组合的设计原则 第5部分：桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB/T 26475-2021 |
Bridge type grab ship unloader 桥式抓斗卸船机 |
China National Standards ridge |
English PDF |
| GB 24418-2020 |
Aids to navigation on the bridge over maritime navigable waters, China 中国海区可航行水域桥梁助航标志 |
China National Standards ridge |
English PDF |
| GB/T 39133-2020 |
Suspender of suspension bridge 悬索桥吊索 |
China National Standards ridge |
English PDF |
| GB/T 38818-2020 |
Steel wire ropes for hanger of suspension bridge 悬索桥吊索用钢丝绳 |
China National Standards ridge |
English PDF |
| GB/T 39559.2-2020 |
Specifications for operational monitoring of urban rail transit facilities—Part 2: Bridge 城市轨道交通设施运营监测技术规范 第2部分：桥梁 |
China National Standards ridge |
English PDF |
| GB/T 38387-2019 |
Noise reduction rubber expansion joint device for bridges 桥梁橡胶降噪伸缩装置 |
China National Standards ridge |
English PDF |
| GB/T 17101-2019 |
Hot-dip zinc or zinc-aluminium coated steel wires for bridge cables 桥梁缆索用热镀锌或锌铝合金钢丝 |
China National Standards ridge |
English PDF |
| GB/T 37343-2019 |
Maritime navigation radiocommunication equipment and systems—Bridge navigational watch alarm system（BNWAS） 海上导航和无线电通信设备及系统 桥楼航行值班报警系统（BNWAS） |
China National Standards ridge |
English PDF |
| GB/T 36223-2018 |
Wide cartridge annular ball bearings primarily for aircraft generators and motor-generators 航空电机用宽型深沟球轴承 |
China National Standards ridge |
English PDF |
| GB/T 9364.2-2018 |
Miniature fuses—Part 2: Cartridge fuse-links 小型熔断器 第2部分：管状熔断体 |
China National Standards ridge |
English PDF |
| GB/T 36347-2018 |
Information technology - Learning, education and training - Common cartridge for learning resources 信息技术 学习、教育和培训 学习资源通用包装 |
China National Standards ridge |
English PDF |
| GB/T 36543-2018 |
Terms for railway bridge 铁路桥梁词汇 |
China National Standards ridge |
English PDF |
| GB/T 36410.3-2018 |
Energy consumption evaluation methods of port equipment—Part 3: Bridge type grab ship unloader 港口设备能源消耗评价方法 第3部分：桥式抓斗卸船机 |
China National Standards ridge |
English PDF |
| GB/T 18365-2018 |
Hot-extruded PE protection paralleled high strength wire cable for cable-stayed bridge 斜拉桥用热挤聚乙烯高强钢丝拉索 |
China National Standards ridge |
English PDF |
| GB/T 36483-2018 |
Main cable paralleled wire strands for suspension bridge 悬索桥用主缆平行钢丝索股 |
China National Standards ridge |
English PDF |
| GB/T 35896-2018 |
ridge tail shrimp 脊尾白虾 |
China National Standards ridge |
English PDF |
| GB/T 7934-2017 |
Hydraulic two-port slip-in cartridge valves—Technical requirements 液压二通盖板式插装阀 技术条件 |
China National Standards ridge |
English PDF |
| GB/T 34988-2017 |
Information technology—General specification for toner cartridge for monochromatic laser printer 信息技术 单色激光打印机用鼓粉盒通用规范 |
China National Standards ridge |
English PDF |
| GB/T 34488-2017 |
Aluminium alloys extruded profiles for aluminium bridges 全铝桥梁结构用铝合金挤压型材 |
China National Standards ridge |
English PDF |
| GB/T 19362.2-2017 |
Test conditions for bridge-type milling machines—Testing of the accuracy—Part 2: Travelling bridge (gantry-type) machines 龙门铣床检验条件 精度检验 第2部分：龙门移动式铣床 |
China National Standards ridge |
English PDF |
| GB/T 34106-2017 |
Hot-dip zinc or zinc-aluminium coated S-shaped steel wire wraps for bridge cables 桥梁主缆缠绕用S形热镀锌或锌铝合金钢丝 |
China National Standards ridge |
English PDF |
| GB/T 33511-2017 |
Mechanical vibration—Evaluation of measurement results from dynamic tests and investigation on bridges 机械振动 桥梁动态测试与检测测量结果的评估 |
China National Standards ridge |
English PDF |
| GB/T 4247-2017 |
Machine bridge reamers with Morse taper shanks 莫氏锥柄机用桥梁铰刀 |
China National Standards ridge |
English PDF |
| GB/T 35425-2017 |
Classification and coding of bulk materials for road and bridge construction 公路及桥梁施工用大宗物资分类编码 |
China National Standards ridge |
English PDF |
| GB/T 35746-2017 |
Ships and marine technology—Ship’s bridge layout and associated equipment—Requirements and guidelines 船舶与海上技术 船桥布置及相关设备 要求和指南 |
China National Standards ridge |
English PDF |
| GB/T 33197-2016 |
Pontoon bridge with power 动力舟桥 |
China National Standards ridge |
English PDF |
| GB/T 32544-2016 |
Acoustic emission examination and evaluation methods of steel structures of bridge and gantry cranes 桥式与门式起重机金属结构声发射检测及结果评定方法 |
China National Standards ridge |
English PDF |
| GB/T 20970-2015 |
Petroleum and natural gas industries—Downhole equipment—Packers and bridge plugs 石油天然气工业 井下工具 封隔器和桥塞 |
China National Standards ridge |
English PDF |
| GB/T 31052.5-2015 |
Lifting appliances—Code of inspection and maintenance—Part 5: Bridge and gantry cranes 起重机械 检查与维护规程 第5部分：桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB/T 714-2015 |
Structural steel for bridge 桥梁用结构钢 |
China National Standards ridge |
English PDF |
| GB/T 11885-2015 |
Automatic rail-weighbridges 自动轨道衡 |
China National Standards ridge |
English PDF |
| GB/T 31067-2014 |
Technical code for protection of bridge against lightning 桥梁防雷技术规范 |
China National Standards ridge |
English PDF |
| GB 50982-2014 |
Technical code for monitoring of building and bridge structures 建筑与桥梁结构监测技术规范 |
China National Standards ridge |
English PDF |
| GB 6067.5-2014 |
Safety rules for lifting appliances―Part 5: Bridge and gantry cranes 起重机械安全规程 第5部分：桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB/T 30826-2014 |
Technical conditions for steel strand cable of cable stayed bridge 斜拉桥钢绞线拉索技术条件 |
China National Standards ridge |
English PDF |
| GB/T 30598-2014 |
General specifications of epoxy asphalt materials for paving roads and bridges 道路与桥梁铺装用环氧沥青材料通用技术条件 |
China National Standards ridge |
English PDF |
| GB/T 30561-2014 |
Cranes―Stiffness―Bridge and gantry cranes 起重机 刚性 桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB 18145-2014 |
Ceramic cartridge faucets 陶瓷片密封水嘴 |
China National Standards ridge |
English PDF |
| GB 50923-2013 |
Technical code for concrete-filled steel tube arch bridges 钢管混凝土拱桥技术规范 |
China National Standards ridge |
English PDF |
| GB/T 29715-2013 |
Mechanical vibration and shock - Guidelines for dynamic tests and investigations on bridges and viaducts 机械振动与冲击 桥和高架桥动态试验和检测指南 |
China National Standards ridge |
English PDF |
| GB/T 29767-2013 |
Information security techniques - Public key infrastructure - Bridge Certification Authority leveled certificate specification 信息安全技术 公钥基础设施 桥CA体系证书分级规范 |
China National Standards ridge |
English PDF |
| GB 50917-2013 |
Code for design of steel and concrete composite bridges 钢-混凝土组合桥梁设计规范 |
China National Standards ridge |
English PDF |
| GB/T 29552-2013 |
Fibre reinforced plastics composites bridge decks 纤维增强复合材料桥板 |
China National Standards ridge |
English PDF |
| GB/Z 23751.3-2013 |
Micro fuel cell power systems - Part 3：Fuel cartridge interchangeability 微型燃料电池发电系统 第3部分：燃料容器互换性 |
China National Standards ridge |
English PDF |
| GB/T 29301-2012 |
Toner cartridges for electrostatic copying (including multifunction) devices 静电复印（包括多功能）设备用鼓粉盒 |
China National Standards ridge |
English PDF |
| GB/T 29347-2012 |
Examination standard for cartridge case marks in firearms discipline of forensic science 法庭科学枪械射击弹壳痕迹检验规范 |
China National Standards ridge |
English PDF |
| GB/T 27575-2011 |
Cosmetic pencil and cartridge 化妆笔、化妆笔芯 |
China National Standards ridge |
English PDF |
| GB/T 26475-2011 |
Bridge type grab ship unloader 桥式抓斗卸船机 |
China National Standards ridge |
English PDF |
| GB/T 14405-2011 |
Bridge crane for general purpose 通用桥式起重机 |
China National Standards ridge |
English PDF |
| GB/T 13602-2010 |
Marine bridge control console (panel) 船舶驾驶室集中控制台(屏) |
China National Standards ridge |
English PDF |
| GB/T 24818.5-2009 |
Cranes - Access,guards and restraints - Part 5: Bridge and gantry cranes 起重机 通道及安全防护设施 第5部分：桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB/T 24817.5-2009 |
Lifting appliances - Controls - Layout and characteristics - Part 5: Bridge and gantry cranes 起重机械 控制装置布置形式和特性 第5部分：桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB/T 24810.5-2009 |
Cranes - Limiting and indicating devices - Part 5: Bridge and gantry cranes 起重机 限制器和指示器 第5部分：桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB/T 24809.5-2009 |
Cranes - Requirements for mechanisms - Part 5: Bridge and gantry cranes 起重机 对机构的要求 第5部分：桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB 24418-2009 |
Aids to navigation on the bridge over maritime navigable waters, China 中国海区可航行水域桥梁助航标志 |
China National Standards ridge |
English PDF |
| GB/T 24215-2009 |
Hot-dip galvanized steel wires for bridge cables wrap 桥梁主缆缠绕用低碳热镀锌圆钢丝 |
China National Standards ridge |
English PDF |
| GB/T 17955-2009 |
Spherical bearings for bridges 桥梁球型支座 |
China National Standards ridge |
English PDF |
| GB/T 9772-2009 |
Fiber cement corrugated sheets and ridge tile 纤维水泥波瓦及其脊瓦 |
China National Standards ridge |
English PDF |
| GB/T 15561-2008 |
Electronic static rail weighbridge 静态电子轨道衡 |
China National Standards ridge |
English PDF |
| GB/T 714-2008 |
Structural steel for bridge 桥梁用结构钢 |
China National Standards ridge |
English PDF |
| GB/T 22437.5-2008 |
Cranes - Design principles for loads and load combinations - Part 5: Overhead traveling and portal bridge cranes 起重机 载荷与载荷组合的设计原则 第5部分：桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB/T 6974.5-2008 |
Cranes - Vocabulary - Part 5: Bridge and gantry cranes 起重机 术语 第5部分：桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB/T 17101-2008 |
Hot-dip galvanized steel wires for bridge cables 桥梁缆索用热镀锌钢丝 |
China National Standards ridge |
English PDF |
| GB/T 3930-2008 |
D.C. bridge for measuring resistance 测量电阻用直流电桥 |
China National Standards ridge |
English PDF |
| GB/T 15122-2008 |
Information technology - Designation of unrecorded flexible disk cartridges 信息技术 未记录软磁盘的标志 |
China National Standards ridge |
English PDF |
| GB/T 18224-2008 |
Safety code for the bridge type grab ship unloader 桥式抓斗卸船机安全规程 |
China National Standards ridge |
English PDF |
| GB/T 21507-2008 |
12 Gauge sporting shotgun cartridge 12号运动猎枪弹 |
China National Standards ridge |
English PDF |
| GB/T 21506-2008 |
5.6 mm Sport cartridge 5.6毫米运动枪弹 |
China National Standards ridge |
English PDF |
| GB/T 21503-2008 |
Starting cartridge 发令弹 |
China National Standards ridge |
English PDF |
| GB/T 5343.2-2007 |
Turning tool holders and cartridges for indexable inserts - Part 2: Dimensions and technical specifications of turning tool holders for indexable inserts 可转位车刀及刀夹 第2部分：可转位车刀型式尺寸和技术条件 |
China National Standards ridge |
English PDF |
| GB/T 5343.1-2007 |
Turning tool holders and cartridges for indexable inserts - Part 1: Designation 可转位车刀及刀夹 第1部分：型号表示规则 |
China National Standards ridge |
English PDF |
| GB/T 14661-2007 |
Cartridges, type A,for indexable inserts 可转位A型刀夹 |
China National Standards ridge |
English PDF |
| GB/T 2877-2007 |
Hydraulic fluid power - Two-port slip-in cartridge valves - Cavities 液压二通盖板式插装阀 安装连接尺寸 |
China National Standards ridge |
English PDF |
| GB/T 20863.5-2007 |
Cranes - Classification - Part 5: Overhead travelling and portal bridge cranes 起重机 分级 第5部分: 桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB/T 20506-2006 |
Anodizing of aluminium and its alloys - Measurement of reflectivity characteristics of aluminium surfaces using abridged goniophotometer or goniophotometer 铝及铝合金阳极氧化 阳极氧化膜表面反射特性的测定 遮光角度仪或角度仪法 |
China National Standards ridge |
English PDF |
| GB 20688.2-2006 |
Rubber bearings - Part 2: Elastomeric seismic-protection isolators for bridges 橡胶支座 第2部分：桥梁隔震橡胶支座 |
China National Standards ridge |
English PDF |
| GB/T 20303.5-2006 |
Cranes - Cabins - Part 5: Overhead travelling and portal bridge cranes 起重机 司机室 第5部分：桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB/T 19969-2005 |
Information technology -- 130 mm optical disk cartridges for information interchange -- Capacity : 2.6 Gbytes per cartridge 信息技术 信息交换用130mm盒式光盘 容量：每盒2.6G字节 |
China National Standards ridge |
English PDF |
| GB/T 14043-2005 |
Hydraulic fluid power-Code for identification of valve mounting surfaces and cartridge valve cavities 液压传动 阀安装面和插装阀阀孔的标识代号 |
China National Standards ridge |
English PDF |
| GB/T 19731-2005 |
Information on Optical Disk Cartridges(ODC)shipping packages and ODC labels 盒式光盘(ODC) 装运包装以及光盘标签上的信息 |
China National Standards ridge |
English PDF |
| GB/T 4247-2004 |
Machine bridge reamers with Morse taper shanks 莫氏锥柄机用桥梁铰刀 |
China National Standards ridge |
English PDF |
| GB/T 19362.1-2003 |
Machine tools--Test conditions for bridge-type milling machines--Testing of the accuracy--Part 1:Fixed bridge (portal-type)machines 龙门铣床检验条件 精度检验 第1部分:固定式龙门铣床 |
China National Standards ridge |
English PDF |
| GB/T 18874.5-2002 |
Cranes--Information to be provided--Part 5:Overhead travelling cranes and portal bridge cranes 起重机 供需双方应提供的资料 第5部分:桥式和门式起重机 |
China National Standards ridge |
English PDF |
| GB/Z 18808-2002 |
Information technology--Technical aspects of 130 mm optical disk cartridge write-once recording format 信息技术 130 mm一次写入盒式光盘记录格式技术规范 |
China National Standards ridge |
English PDF |
| GB/T 18807-2002 |
Information technology--Data interchange on 130 mm optical disk cartridges--Capacity:1.3 gigabytes per cartridge 信息技术 130 mm盒式光盘上的数据交换容量:每盒1.3 G字节 |
China National Standards ridge |
English PDF |
| GB 9364.6-2001 |
Miniature fuses--Part 6:Fuse-holders for miniature cartridge fuse-links 小型熔断器 第6部分:小型管状熔断体的熔断器座 |
China National Standards ridge |
English PDF |
| GB/Z 18390-2001 |
Information technology--Guidance onmeasurement techniques for 90mm optical disk cartridges 信息技术 90 mm盒式光盘测量技术指南 |
China National Standards ridge |
English PDF |
| GB/T 18365-2001 |
Technical conditions for hot-extruding PE protection high strength wire cable of cable-stayed bridge 斜拉桥热挤聚乙烯高强钢丝拉索技术条件 |
China National Standards ridge |
English PDF |
| GB/T 18141-2000 |
Information technology--Information interchange on 130 mm optical disk cartridges using themagneto-optical effect，for write once，read multiple functionality 信息技术 130 mm一次写入多次读出磁光盒式光盘的信息交换 |
China National Standards ridge |
English PDF |
| GB/T 18140-2000 |
Information technology--Data interchange on 130 mm optical disk cartridges--Capacity:1 gigabyte per cartridge 信息技术 130 mm盒式光盘上的数据交换 容量:每盒1 G字节 |
China National Standards ridge |
English PDF |
| GB/Z 17979-2000 |
Information technology--Guidelines for effective use of optical disk cartridges conforming to GB/T 17234 信息技术 符合GB/T 17234标准的盒式光盘有效使用的指南 |
China National Standards ridge |
English PDF |
| GB/T 17960-2000 |
Information technology--Data interchange on 90 mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side--GB type 303 信息技术 数据交换用90 mm改进调频制记录的位密度为31 831磁通翻转/弧度、每面80磁道的软磁盘 GB 303型 |
China National Standards ridge |
English PDF |
| GB/T 3334-1999 |
Method of test for dissipation factor (tgδ) of cable paper at power frequence (Schering bridge method) 电缆纸介质损耗角正切(tgδ)试验方法(电桥法) |
China National Standards ridge |
English PDF |
| GB/T 17704.2-1999 |
Information technology--130mm optical disk cartridge，write once，for information interchange--Part 2:Recording format 信息技术 信息交换用130 mm一次写入盒式光盘 第2部分:记录格式 |
China National Standards ridge |
English PDF |
| GB/T 17704.1-1999 |
Information technology--130mm optical disk cartridge，write once，for information interchange--Part 1:Unrecorded optical disk cartridge 信息技术 信息交换用130 mm一次写入盒式光盘 第1部分:未记录盒式光盘 |
China National Standards ridge |
English PDF |
| GB/T 17234-1998 |
Information technology--90mm optical disk cartridges， rewritable and read only， for data interchange 信息技术 数据交换用90 mm可重写和只读盒式光盘 |
China National Standards ridge |
English PDF |
| GB 9364.2-1997 |
Miniature fuses--Part 2:Cartridge fuse-links 小型熔断器 第2部分:管状熔断体 |
China National Standards ridge |
English PDF |
| GB/T 16971-1997 |
Information technology--130mm rewritable optical disk cartridge for information interchange 信息技术 信息交换用130 mm可重写盒式光盘 |
China National Standards ridge |
English PDF |
| GB/T 15130.2-1995 |
Information processing--Data interchange on 90mm flexible disk cartridges using modified frequency modulation recording at15916 ftprad， on 80 tracks on each side--Part 2:Track format 信息处理 数据交换用90 mm改进调频制记录的位密度为15916磁通翻转/弧度、每面80条磁道的软磁盘 第二部分:磁道格式 |
China National Standards ridge |
English PDF |
| GB/T 15131.3-1995 |
Information processing--Data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad， on 80 tracks on each side--Part 3:Track formatB for 80 tracks 信息处理 数据交换用130 mm改进调频制记录的位密度为13262磁通翻转/弧度、每面80条磁道的软磁盘 第三部分:磁道格式B(用于80条磁道) |
China National Standards ridge |
English PDF |
| GB/T 15131.2-1995 |
Information processing--Data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad， on 80 tracks on each side--Part 2:Track format A for 77 tracks 信息处理 数据交换用130 mm改进调频制记录的位密度为13262磁通翻转/弧度、每面80条磁道的软磁盘 第二部分:磁道格式 A ( 用于77条磁道) |
China National Standards ridge |
English PDF |
| GB/T 3412-1994 |
Wheatstone bridge for unbonded elastic wire resistance meter 电阻比电桥 |
China National Standards ridge |
English PDF |
| GB/T 15134-1994 |
Information processing--File structure and labelling of flexible disk cartridges for information interchange 信息处理 信息交换用软磁盘文卷结构和标号 |
China National Standards ridge |
English PDF |
| GB/T 15131.1-1994 |
Information processing--Data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad，on 80 tracks on each side--Part 1:Dimensional， physical and magnetic characteristics 信息处理 数据交换用130 mm改进调频制记录的位密度为13262 磁通翻转/弧度、每面80条磁道的软磁盘 第一部分:尺寸、物理性能和磁性能 |
China National Standards ridge |
English PDF |
| GB/T 15130.1-1994 |
Information processing--Data interchange on 90mm (35in) flexible disk cartridges using modified frequency modulation recording at 15916 ftprad， on 80 tracks on each side--Part1:Dimensional， physical and magnetic characteristics 信息处理 数据交换用90 mm改进调频制记录的位密度为15916 磁通翻转/弧度、每面80条磁道的软磁盘 第一部分:尺寸、物理性能和磁性能 |
China National Standards ridge |
English PDF |
| GB/T 14657-1993 |
Civil cartridge terminology 民用枪弹术语 |
China National Standards ridge |
English PDF |
| GB/T 13703-1992 |
Information processing--Volume and file structure of flexible disk cartridges for information interchange 信息处理 信息交换用软磁盘盘卷和文卷结构 |
China National Standards ridge |
English PDF |
| GB/T 12055-1989 |
Information processing--Magnetic tape cassette and cartridge labelling and file structurefor information interchange 信息处理 信息交换用的盒式磁带和卡式磁带的标号和文卷结构 |
China National Standards ridge |
English PDF |
| GB/T 11708-1989 |
The naming and the coding rules for highwaybridge 公路桥梁命名编号和编码规则 |
China National Standards ridge |
English PDF |
| GB/T 11151-1989 |
Alternating current bridge 交流电桥 |
China National Standards ridge |
English PDF |
| GB/T 7934-1987 |
Hydraulic fluid power--Two-port slip-in cartridge valves--Cavities--Technical requirements 二通插装式液压阀 技术条件 |
China National Standards ridge |
English PDF |
| GB/T 6974.13-1986 |
Lifting appliances--Vocabulary--Portal bridge cranes 起重机械名词术语 门式起重机 |
China National Standards ridge |
English PDF |
| GB/T 5441.2-1985 |
Test methods for communication cable--Capacitance test--Bridge method 通信电缆试验方法 工作电容试验 电桥法 |
China National Standards ridge |
English PDF |
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