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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 41312.1-2022 |
Test method for permeability of chemical equipment - Part 1: Graphite and its lining equipment 化工用设备渗透性检测方法 第1部分：石墨及其衬里设备 |
China National Standards Test method for perm |
 English PDF |
| GB/T 5594.4-2015 |
Test methods for properties of structure ceramic used in electronic components and device—Part 4: Test method for permittivity and dielectric loss angle tangent value 电子元器件结构陶瓷材料性能测试方法 第4部分：介电常数和介质损耗角正切值的测试方法 |
China National Standards Test method for perm |
English PDF |
| GB/T 9973-2006 |
Test method for permeability of carbon materials 炭素材料透气度试验方法 |
China National Standards Test method for perm |
English PDF |
| GB/T 1969-1996 |
Test method for permeability of porous ceramic 多孔陶瓷渗透率试验方法 |
China National Standards Test method for perm |
English PDF |
| GB/T 4737-1984 |
Standard Test method for permeability water ofpottery ware of daily use 日用陶器渗透性测定方法 |
China National Standards Test method for perm |
English PDF |
| GB/T 4736-1984 |
Standard Test method for permeability gas of pottery ware of daily use 日用陶器透气性测定方法 |
China National Standards Test method for perm |
English PDF |
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