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公开(公告)号:US2265389A
公开(公告)日:1941-12-09
申请号:US25509839
申请日:1939-02-07
Applicant: STANDARD OIL CO
Inventor: MELAVEN RALPH M , SHANKLAND RODNEY V
IPC: B01J23/34
CPC classification number: B01J23/34
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公开(公告)号:US2258787A
公开(公告)日:1941-10-14
申请号:US25277439
申请日:1939-01-25
Applicant: STANDARD OIL CO
Inventor: MELAVEN RALPH M , SHANKLAND RODNEY V
IPC: B01J21/08
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公开(公告)号:US2688436A
公开(公告)日:1954-09-07
申请号:US30905352
申请日:1952-09-11
Applicant: STANDARD OIL CO
Inventor: MELAVEN RALPH M
IPC: B04B7/08
CPC classification number: B04B7/08
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公开(公告)号:US2265388A
公开(公告)日:1941-12-09
申请号:US25423439
申请日:1939-02-02
Applicant: STANDARD OIL CO
Inventor: MELAVEN RALPH M , SHANKLAND RODNEY V
IPC: B01J23/755
CPC classification number: B01J23/755
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公开(公告)号:US2301735A
公开(公告)日:1942-11-10
申请号:US24862538
申请日:1938-12-30
Applicant: STANDARD OIL CO
Inventor: MELAVEN RALPH M , SHANKLAND RODNEY V
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公开(公告)号:US2270812A
公开(公告)日:1942-01-20
申请号:US24887038
申请日:1938-12-31
Applicant: STANDARD OIL CO
Inventor: MELAVEN RALPH M , SHANKLAND RODNEY V
IPC: B01J23/12
CPC classification number: B01J23/12
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公开(公告)号:US2258786A
公开(公告)日:1941-10-14
申请号:US25173839
申请日:1939-01-19
Applicant: STANDARD OIL CO
Inventor: MELAVEN RALPH M , SHANKLAND RODNEY V
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