| 英文名称: | | 2-Oxepanone, polymer with 2,4-diisocyanato-1-methylbenzene | | Polycaprolactone, 2,4-toluenediisocyanate polymer | | 2-oxepanone, polymer with2,4-diisocyanato-1-methylbenzene | | 2-Oxepanone,polymer with 2,4-diisocyanato-1-methylbenzene | | Polycaprolactone,2,4-toluenediisocyanate polymer |
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