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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 28055-2023 |
Technical specifications for hot-pressurized plugging of steel pipelines 钢质管道带压封堵技术规范 |
China National Standards plugging |
 English PDF |
| GB/T 32475-2016 |
Rubber hose and hose assemblies for coal seam water injection,gas drainage and drilling plugging 煤层注水、钻孔封堵及瓦斯排放橡胶软管和软管组合件 |
China National Standards plugging |
English PDF |
| GB/T 28055-2011 |
Technical standard for hot tapping and plugging on steel pipeline 钢制管道带压封堵技术规范 |
China National Standards plugging |
English PDF |
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