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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 9441-2021 |
Metallographic test method for spheroidal graphite cast iron 球墨铸铁金相检验 |
China National Standards Metallographic test |
 English PDF |
| GB/T 26656-2011 |
Metallographic test for compacted(vermicular )graphite cast irons 蠕墨铸铁金相检验 |
China National Standards Metallographic test |
English PDF |
| GB/T 25746-2010 |
Metallographic test for malleable cast iron 可锻铸铁金相检验 |
China National Standards Metallographic test |
English PDF |
| GB/T 9441-2009 |
Metallographic test for spheroidal graphite cast iron 球墨铸铁金相检验 |
China National Standards Metallographic test |
English PDF |
| GB/T 7216-2009 |
Metallographic test for gray cast iron 灰铸铁金相检验 |
China National Standards Metallographic test |
English PDF |
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