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公开(公告)号：US2420702A
公开(公告)日：1947-05-20
申请号：US59608445
申请日：1945-05-26
Applicant: BRITISH CELANESE
Inventor： NAPIER DREWITT JAMES GORDON , PETER YOUNG DONALD
IPC: C07D209/48 , C07D237/32
CPC classification number: C07D209/48 , C07D237/32
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