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公开(公告)号：US3420869A
公开(公告)日：1969-01-07
申请号：US3420869D
申请日：1967-04-13
Applicant: US INTERIOR
Inventor： WEKELL JOHN C , HOULE CLIFFORD R , MALINS DONALD C
IPC: C07C203/04 , C07C203/08 , C07C77/02
CPC classification number: C07C201/02 , C07C203/04 , C07C2603/40 , C07C203/10 , C07C203/08
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