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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 4670-2014 |
Determination of black speck and impurity in flame retardant for plastic modification 改性塑料用阻燃剂黑点和异色点的测定 |
China Chemical Industry
Standards speck |
 English PDF |
| SN/T 0456-1995 |
Identification method of mould speck on import and export yarn 进出口纱线霉斑鉴定方法 |
China Import Export Inspection
Standards speck |
English PDF |
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