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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 2375-2013 |
Direct dyes - Determination of dyeing shade and relative strength 直接染料 染色色光和强度的测定 |
China National Standards Direct dyes Determination |
 English PDF |
| GB/T 23980-2009 |
Direct dyestuffs - Determination of discharge ability 直接染料 拔染性的测定 |
China National Standards Direct dyes Determination |
English PDF |
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