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公开(公告)号:US2005316A
公开(公告)日:1935-06-18
申请号:US61731832
申请日:1932-06-15
Applicant: TEXAS CO
Inventor: HALL FRANK W
IPC: B01D3/24
CPC classification number: B01D3/24
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公开(公告)号:US1700479A
公开(公告)日:1929-01-29
申请号:US9015126
申请日:1926-02-23
Applicant: TEXAS CO
Inventor: HALL FRANK W
IPC: B01J20/12
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公开(公告)号:US1562550A
公开(公告)日:1925-11-24
申请号:US65430223
申请日:1923-07-28
Applicant: TEXAS CO
Inventor: HALL FRANK W
IPC: B01J20/12
CPC classification number: B01J20/12
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公开(公告)号:US1558162A
公开(公告)日:1925-10-20
申请号:US131225
申请日:1925-01-08
Applicant: TEXAS CO
Inventor: HALL FRANK W
IPC: B01J20/12
CPC classification number: B01J20/12
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公开(公告)号:US1530493A
公开(公告)日:1925-03-24
申请号:US36586020
申请日:1920-03-15
Applicant: TEXAS CO
Inventor: HALL FRANK W
IPC: C01F7/58
CPC classification number: C01F7/58
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公开(公告)号:US1969694A
公开(公告)日:1934-08-07
申请号:US48424330
申请日:1930-09-24
Applicant: TEXAS CO
Inventor: HALL FRANK W
IPC: C10G17/06
CPC classification number: C10G17/06
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公开(公告)号:US1823897A
公开(公告)日:1931-09-22
申请号:US24980428
申请日:1928-01-27
Applicant: TEXAS CO
Inventor: HALL FRANK W
CPC classification number: C10G9/14
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公开(公告)号:US1752299A
公开(公告)日:1930-04-01
申请号:US8035626
申请日:1926-01-09
Applicant: TEXAS CO
Inventor: HALL FRANK W
CPC classification number: C10L1/1616 , C10G17/06
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公开(公告)号:US1709261A
公开(公告)日:1929-04-16
申请号:US46298621
申请日:1921-04-20
Applicant: TEXAS CO
Inventor: HALL FRANK W
IPC: B01J20/12
CPC classification number: B01J20/12
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