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公开(公告)号:US2161247A
公开(公告)日:1939-06-06
申请号:US8479136
申请日:1936-06-12
Applicant: TEXAS CO
Inventor: DEARBORN RICHARD J
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公开(公告)号:US2153241A
公开(公告)日:1939-04-04
申请号:US9454436
申请日:1936-08-06
Applicant: TEXAS CO
Inventor: DEARBORN RICHARD J
CPC classification number: C10G9/14
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公开(公告)号:US1783010A
公开(公告)日:1930-11-25
申请号:US24783228
申请日:1928-01-19
Applicant: TEXAS CO
Inventor: DEARBORN RICHARD J
CPC classification number: C10G9/14
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公开(公告)号:US1600216A
公开(公告)日:1926-09-21
申请号:US1164625
申请日:1925-02-26
Applicant: TEXAS CO
Inventor: DEARBORN RICHARD J
IPC: C01F7/58
CPC classification number: C01F7/58 , Y02P20/129
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