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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 "GB" GB Standards List:
  • GB/T 21830-2008- English Version of China National Standard
    Testing of chemicals - Daphnia sp., acute immobilisation test
    化学品 溞类急性活动抑制试验
    GB/T 21777-2008- English Version of China National Standard
    Binders for paints and varnishes - Chlorinated polymerization resins - General methods of test
    色漆和清漆用漆基 氯化聚合物树脂 通用试验方法
    GB/T 21785-2008- English Version of China National Standard
    Laboratory glassware - Pyknometers
    实验室玻璃器皿 密度计
    GB/T 21831-2008- English Version of China National Standard
    Testing of chemicals - Ready biodegradability - Closed bottle test
    化学品 快速生物降解性 密闭瓶法试验
    GB/T 21862.4-2008- English Version of China National Standard
    Paints and varnishes - Determination of density - Part 4: Pressure cup method
    色漆和清漆 密度的测定 第4部分:压杯法
    GB/Z 21738-2008- English Version of China National Standard
    Fundamental structures of one dimensional nanomaterials - High resolution electron microscopy characterization
    一维纳米材料的基本结构 高分辨透射电子显微镜检测方法
    GB/T 17105-2008- English Version of China National Standard
    Classification of dense shaped refractory products - Alumina-silica
    铝硅系致密定形耐火制品分类
    GB/T 18931-2008- English Version of China National Standard
    Classification of basic dense shaped refractory products containing less than 7% residual carbon
    残碳量小于7%的碱性致密定形耐火制品分类
    GB/T 17601-2008- English Version of China National Standard
    Refractory products - Determination of resistance to sulfuric acid
    耐火材料 耐硫酸侵蚀试验方法
    GB/T 21737-2008- English Version of China National Standard
    Purchase information on goods and services intended for consumers
    为消费者提供商品和服务的购买信息
    GB/T 6901-2008- English Version of China National Standard
    Chemical analysis of silica refractories
    硅质耐火材料化学分析方法
    GB/T 27025-2008- English Version of China National Standard
    General requirements for the competence of testing and calibration laboratories
    检测和校准实验室能力的通用要求
    GB/T 5641-2008- English Version of China National Standard
    Flared couplings - Union cross
    扩口式四通管接头
    GB 21734-2008- English Version of China National Standard
    Emergency shelter for earthquake disasters - Site and its facilities
    地震应急避难场所 场址及配套设施
    GB/T 3751-2008- English Version of China National Standard
    24° cone connectors - Connector for pressure gauge
    卡套式压力表管接头
    GB/T 5637-2008- English Version of China National Standard
    Flared couplings - Straight thread run tee
    扩口式可调向端弯通三通管接头
    GB/T 5634-2008- English Version of China National Standard
    Flared couplings - Swivel run tee
    扩口式组合弯通三通管接头
    GB/T 3736-2008- English Version of China National Standard
    24° cone connectors - Male long
    卡套式锥螺纹长管接头
    GB/T 21739-2008- English Version of China National Standard
    Rules for the construction and installation of home lifts
    家用电梯制造与安装规范
    GB/T 5653-2008- English Version of China National Standard
    Flared couplings - Specification
    扩口式管接头技术条件
    GB/T 3753-2008- English Version of China National Standard
    24° cone connectors - Adjustable tee
    卡套式组合三通管接头
    GB/T 5645-2008- English Version of China National Standard
    Flared couplings - Connector for pressure gauge
    扩口式压力表管接头
    GB/T 5628-2008- English Version of China National Standard
    Flared couplings - Union
    扩口式直通管接头
    GB/T 5626-2008- English Version of China National Standard
    Flared couplings - Male
    扩口式锥螺纹直通管接头
    GB/T 3734-2008- English Version of China National Standard
    24° cone connectors - Male
    卡套式锥螺纹直通管接头
    GB/T 5633-2008- English Version of China National Standard
    Flared couplings - Straight thread branch tee
    扩口式可调向端三通管接头
    GB/T 12385-2008- English Version of China National Standard
    Standard test method for sealability of gaskets for pipe flanges
    管法兰用垫片密封性能试验方法
    GB/T 14383-2008- English Version of China National Standard
    Forged fittings, socket-welding and threaded
    锻制承插焊和螺纹管件
    GB/T 5638-2008- English Version of China National Standard
    Flared couplings - Swivel branch tee
    扩口式组合三通管接头
    GB/T 5625-2008- English Version of China National Standard
    Flared couplings - Straight thread
    扩口式端直通管接头
    GB/T 3763-2008- English Version of China National Standard
    24° cone connectors and flared couplings - Hexagon thin nut
    管接头用六角薄螺母
    GB/T 5644-2008- English Version of China National Standard
    Flared couplings - Bulkhead union elbow
    扩口式过板弯通管接头
    GB/T 3735-2008- English Version of China National Standard
    24° cone connectors - Straight thread long
    卡套式端直通长管接头
    GB/T 3760-2008- English Version of China National Standard
    24° cone connectors - Plug with O-ring
    卡套式管接头用锥密封堵头
    GB/T 5649-2008- English Version of China National Standard
    Flared couplings - Lock nut and lockup washer
    管接头用锁紧螺母和垫圈
    GB/T 5632-2008- English Version of China National Standard
    Flared couplings - Swivel elbow
    扩口式组合弯通管接头
    GB/T 3741-2008- English Version of China National Standard
    24° cone connectors - Straight thread tee
    卡套式可调向端三通管接头
    GB/T 5639-2008- English Version of China National Standard
    Flared couplings - Union tee
    扩口式三通管接头
    GB/T 5635-2008- English Version of China National Standard
    Flared couplings - Male branch tee
    扩口式锥螺纹三通管接头
    GB/T 3743-2008- English Version of China National Standard
    24° cone connectors - Straight thread run tee
    卡套式可调向端弯通三通管接头
    GB/T 5629-2008- English Version of China National Standard
    Flared couplings - Male elbow
    扩口式锥螺纹弯通管接头
    GB/T 3740-2008- English Version of China National Standard
    24° cone connectors - Union elbow
    卡套式弯通管接头
    GB/T 5631-2008- English Version of China National Standard
    Flared couplings - Straight thread elbow
    扩口式可调向端弯通管接头
    GB/T 3748-2008- English Version of China National Standard
    24° cone connectors - Bulkhead union
    卡套式过板直通管接头
    GB/T 3746-2008- English Version of China National Standard
    24° cone connectors - Union cross
    卡套式四通管接头
    GB/T 3745-2008- English Version of China National Standard
    24° cone connectors - Union tee
    卡套式三通管接头
    GB/T 12622-2008- English Version of China National Standard
    Standard test method for compressibility and recovery of gaskets for pipe flanges
    管法兰用垫片压缩率及回弹率试验方法
    GB/T 5643-2008- English Version of China National Standard
    Flared couplings - Bulkhead union
    扩口式过板直通管接头
    GB/T 3756-2008- English Version of China National Standard
    24° cone connectors - Swivel stud straight adapter with O-ring with stud end
    卡套式锥密封组合直通管接头
    GB/T 3738-2008- English Version of China National Standard
    24° cone connectors - Straight thread elbow
    卡套式可调向端弯通管接头

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