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N,N' -二-β-萘基对苯二胺
chem.
N,N'-di-β-naphthyl-p-phenylenediamine
NN'-二-β 萘基对苯二胺
抗氧剂
plast.
N,N'-di-β-naphthyl-p-phenylene diamine
二-β 萘基对苯二胺
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1 phrase
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Water resources
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