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11.
公开(公告)号:US2577591A
公开(公告)日:1951-12-04
申请号:US79087747
申请日:1947-12-10
Applicant: PHILLIPS PETROLEUM CO
Inventor: SAILORS HOWARD R
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公开(公告)号:US2486650A
公开(公告)日:1949-11-01
申请号:US61457645
申请日:1945-09-05
Applicant: PHILLIPS PETROLEUM CO
Inventor: HEPP HAROLD J , SAILORS HOWARD R
IPC: C02F1/68
CPC classification number: C02F1/687
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公开(公告)号:US2474345A
公开(公告)日:1949-06-28
申请号:US74906347
申请日:1947-05-19
Applicant: PHILLIPS PETROLEUM CO
Inventor: ALFRED CLARK , SAILORS HOWARD R
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