China Rubber antioxidant—N GB Standards Search Result |
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GB/T 21841-2019 Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine(6PPD) 橡胶防老剂 N-1,3-二甲基丁基-N’-苯基对苯二胺(6PPD) - 中英文版 |
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