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1.发明授权
公开(公告)号：US2714064A
公开(公告)日：1955-07-26
申请号：US29756652
申请日：1952-07-07
Applicant: SHELL DEV
Inventor： MORRIS RUPERT C , WINKLE JOHN L VAN , WYRICK HARRY H
IPC: C07F9/36
CPC classification number: C07F9/36
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