| 英文名称: | | sulfurous acid, monosodium salt, polymer with 1,4-butanediol, 2-butene-1,4-diol | | , 1,6-diisocyanatohexane and methyloxirane, me et ketone oxime-blocked | | sulfurous acid, monosodium salt, polymer with1,4-butanediol, 2-butene-1,4-diol, 1,6-diisocyanatohexane andmethyloxirane, me et ketone oxime-blocked |
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