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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 13302-1991 |
Steel--Determination of area content of graphite-micrographic method using diagrams 钢中石墨碳显微评定方法 |
China National Standards graphite |
 English PDF |
| GB/T 10698-1989 |
Expansible graphite 可膨胀石墨 |
China National Standards graphite |
English PDF |
| GB 10328-1989 |
Hygienic standard for graphite dust in the air of workplace 车间空气中石墨粉尘卫生标准 |
China National Standards graphite |
English PDF |
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