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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. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 305-2019 |
Rolling bearings－Snap ring grooves and snap rings for radial bearings－Dimensions，geometriCal product specifications (GPS) and tolerance values 滚动轴承 向心轴承止动槽和止动环 尺寸、产品几何技术规范（GPS）和公差值 |
China National Standards C |
 English PDF |
| GB 21340-2019 |
The norm of energy Consumption per unit products for glass products and cast stone 玻璃和铸石单位产品能源消耗限额 |
China National Standards C |
English PDF |
| GB/T 7157-2019 |
EleCtric soldering irons and heating guns 电烙铁和热风枪 |
China National Standards C |
English PDF |
| GB/T 3323.2-2019 |
Non-destruCtive testing of welds—Radiographic testing—Part 2:X- and gamma-ray techniques with digital detectors 焊缝无损检测 射线检测 第2部分：使用数字化探测器的X和伽玛射线技术 |
China National Standards C |
English PDF |
| GB/T 3323.1-2019 |
Non-destruCtive testing of welds—Radiographic testing—Part 1:X- and gamma-ray techniques with film
焊缝无损检测 射线检测 第1部分：X和伽玛射线的胶片技术 |
China National Standards C |
English PDF |
| GB/T 12009.4-2016 |
(PlastiCs - Aromatic isocyanates for the production of polyurethane - Part 4: Determination of isocyanate content - amendment No. 1) 塑料 聚氨酯生产用芳香族异氰酸酯 第4部分：异氰酸根含量的测定《第1号修改单》 |
China National Standards C |
English PDF |
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