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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 7717.15-1994 |
Acrylonitrile forindustrial use--Determination of content of p-hydroxylanisole--Spectrophotometric method 工业用丙烯腈中对羟基苯甲醚含量的测定 分光光度法 |
China National Standards forindustrial |
 English PDF |
| GB/T 14827-1993 |
Organic chemical products forindustrial use--Test method for the determination of acidity and alkal-inity--Volumetric method 有机化工产品酸度、碱度的测定方法 容量法 |
China National Standards forindustrial |
English PDF |
| GB/T 6256-1986 |
Blank detail specification forindustrial heating triodes 工业加热三极管空白详细规范 (可供认证用) |
China National Standards forindustrial |
English PDF |
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