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公开(公告)号：US2876246A
公开(公告)日：1959-03-03
申请号：US53926055
申请日：1955-10-07
Applicant: FMC CORP
Inventor： PIANFETTI JOHN A , KOSOAPOFF GENNADY M
CPC classification number: C10L1/2641 , C07F9/1414
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