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公开(公告)号:US2890617A
公开(公告)日:1959-06-16
申请号:US45512054
申请日:1954-09-10
Applicant: PHILLIPS PETROLEUM CO
Inventor: LUPFER DALE E , TOLIN ERNEST D
CPC classification number: G01N21/41 , B01D9/004 , B01D9/0063 , Y10T436/12
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公开(公告)号:US2813237A
公开(公告)日:1957-11-12
申请号:US36826653
申请日:1953-07-16
Applicant: PHILLIPS PETROLEUM CO
Inventor: FIUEGEL DALE A , LUPFER DALE E
IPC: G01F1/68
CPC classification number: G01F1/68
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