| 英文名称: | | 2-Oxepanone, polymer with 1,4-butanediol | | .epsilon.-Caprolactone, 1,4-butanediol polyester | | Caprolactone, 1,4-butanediol polymer | | terathane cl 2000 polyether glycol | | 2-Oxepanone,polymer with 1,4-butanediol | | .epsilon.-Caprolactone,1,4-butanediol polyester | | Caprolactone,1,4-butanediol polymer |
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