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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 28764-2012 |
Test method for sealing characteristics of packaging containers - Ultrasonic method 包装容器密闭性检测方法 超声波法 |
China National Standards Test method for seal |
 English PDF |
| GB/T 12385-2008 |
Standard Test method for sealability of gaskets for pipe flanges 管法兰用垫片密封性能试验方法 |
China National Standards Test method for seal |
English PDF |
| GB/T 20671.4-2006 |
Classification system and test methods for nonmetallic gasket materials - Part 4: Standard Test method for sealability of gasket materials 非金属垫片材料分类体系及试验方法 第4部分:垫片材料密封性试验方法 |
China National Standards Test method for seal |
English PDF |
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