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公开(公告)号：US2860145A
公开(公告)日：1958-11-11
申请号：US51286455
申请日：1955-06-02
Applicant: FMC CORP
Inventor： KELLY JR GEORGE B , BRAITHWAITE JR CHARLES H , DWIGHT WILLIAMS
IPC: C07C51/27
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