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公开(公告)号：US2572724A
公开(公告)日：1951-10-23
申请号：US9460249
申请日：1949-05-21
Applicant: SHELL DEV
Inventor： HINDS JR GEORGE PUTNAM , KEDDIE MEERBOTT WILLIAM , RENO GORDON J
CPC classification number: C07C2/08 , C07C2/18 , C07C2527/173
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