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公开(公告)号：US2306261A
公开(公告)日：1942-12-22
申请号：US42034841
申请日：1941-11-25
Applicant: SHELL DEV
Inventor： CRAWFORD CHESTER C , ROSS WILLIAM E
CPC classification number: C07C5/2721 , B01J27/06 , C07C2/60 , C07C2527/125 , C07C2527/126 , C07C2531/02
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