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公开(公告)号：US2181640A
公开(公告)日：1939-11-28
申请号：US3794235
申请日：1935-08-26
Applicant: SHELL DEV
Inventor： DEANEALY RICHARD M , AARON WACHTER
CPC classification number: C07C9/00 , C07C2/08 , C07C2/18 , C07C2527/173
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