| 英文名称: | | methylbenzene and methyloxirane polymer with oxirane ether with 1,2,3-propanetr | | iol (3:1) | | isocyanic acid, polymethylenepolyphenylene ester,polymer with 1,3-diisocyanatomethylbenzene and methyloxirane polymerwith oxirane ether with 1,2,3-propanetriol (3:1) |
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