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1.发明授权Preparation of polyurethane spinning solution and fibers using aromatic dihydroxy alkyl ethers 失效使用芳族二羟基烷基醚制备聚氨酯纺丝溶液和纤维
公开(公告)号：US3365526A
公开(公告)日：1968-01-23
申请号：US34584064
申请日：1964-02-19
Applicant: BAYER AG
Inventor： HORST WIEDEN , ERWIN MULLER , GUNTBER NISCHK , WOLFGANG RELLENSMANN , VON FALKAI BELA
CPC classification number: C08G18/68 , C08G18/10 , C08G18/3215 , C08G18/3203
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