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公开(公告)号：US2774792A
公开(公告)日：1956-12-18
申请号：US45401254
申请日：1954-09-03
Applicant: SHELL DEV
Inventor： CARLSON GEORGE J , GAERTNER GEORGE W , WEST FRANK B
IPC: C07C45/85
CPC classification number: C07C45/85
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