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公开(公告)号：US2501966A
公开(公告)日：1950-03-28
申请号：US67889446
申请日：1946-06-24
Applicant: SHELL DEV
Inventor： RUST FREDERICK F , VAUGHAN WILLIAM E , WHEATCROFT ROBERT W
IPC: C07C409/16
CPC classification number: C07C409/16
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