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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 4409-2012 |
PP acid (4, 4-Diaminodiphenylamine-2-sulfonic acid) pp酸（4,4-二氨基-二苯胺-2-磺酸） |
China Chemical Industry
Standards Diaminodiphenylamine |
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