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公开(公告)号:US2759982A
公开(公告)日:1956-08-21
申请号:US29699652
申请日:1952-07-03
Applicant: FMC CORP
Inventor: PIANFETTI JOHN A , SEATON MAX Y , DWIGHT WILLIAMS
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公开(公告)号:US2625384A
公开(公告)日:1953-01-13
申请号:US10259949
申请日:1949-07-01
Applicant: FMC CORP
Inventor: PIKE ROBERT D , SEATON MAX Y
CPC classification number: E21C41/00
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公开(公告)号:US2770524A
公开(公告)日:1956-11-13
申请号:US23992651
申请日:1951-08-02
Applicant: FMC CORP
Inventor: SEATON MAX Y , RAY KENNETH B , TRUST COMPANY THE STAMFORD
IPC: C01D7/12
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公开(公告)号:US2607723A
公开(公告)日:1952-08-19
申请号:US71048
申请日:1948-01-06
Applicant: FMC CORP
Inventor: PIANFETTI JOHN A , SEATON MAX Y , DWIGHT WILLIAMS
IPC: C07C17/02
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