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公开(公告)号：US2658926A
公开(公告)日：1953-11-10
申请号：US4557548
申请日：1948-08-21
Applicant: SHELL DEV
Inventor： JULIUS HYMAN , DANISH ABE A
IPC: C07C17/30 , C07C23/18 , C07D307/93
CPC classification number: C07D307/93 , C07C17/30 , C07C23/18
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