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公开(公告)号:US2594762A
公开(公告)日:1952-04-29
申请号:US63716645
申请日:1945-12-26
Applicant: PHILLIPS PETROLEUM CO
Inventor: FREUND ROBERT R , CREEL WILLIAM H
CPC classification number: B01J4/00 , F16K49/00 , Y10T137/6552 , Y10T137/87249
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公开(公告)号:US2486939A
公开(公告)日:1949-11-01
申请号:US54773944
申请日:1944-08-02
Applicant: PHILLIPS PETROLEUM CO
Inventor: FREUND ROBERT R
CPC classification number: F16J15/002 , F16J15/182 , F16J15/40
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公开(公告)号:US2404835A
公开(公告)日:1946-07-30
申请号:US57401545
申请日:1945-01-22
Applicant: PHILLIPS PETROLEUM CO
Inventor: FREUND ROBERT R
IPC: F16C5/00
CPC classification number: F16C5/00
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