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公开(公告)号：US3328359A
公开(公告)日：1967-06-27
申请号：US34320364
申请日：1964-02-07
Applicant: BAYER AG
Inventor： OTTO UNGER , GUNTHER-ERNST NISCHK , VON FALKAI BELA , HUGO WILMS
IPC: C08G69/02
CPC classification number: C08G69/02
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