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公开(公告)号:US2203833A
公开(公告)日:1940-06-11
申请号:US63549632
申请日:1932-09-30
Applicant: UNIVERSAL OIL PROD CO
Inventor: MEKLER LEV A
IPC: C10G9/20
CPC classification number: C10G9/20
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公开(公告)号:US2108688A
公开(公告)日:1938-02-15
申请号:US74824634
申请日:1934-10-13
Applicant: UNIVERSAL OIL PROD CO
Inventor: MEKLER LEV A
IPC: C10G9/20
CPC classification number: C10G9/20
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公开(公告)号:US2107492A
公开(公告)日:1938-02-08
申请号:US58496632
申请日:1932-01-06
Applicant: UNIVERSAL OIL PROD CO
Inventor: MEKLER LEV A
IPC: C10G9/20
CPC classification number: C10G9/20
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公开(公告)号:US2029783A
公开(公告)日:1936-02-04
申请号:US58359731
申请日:1931-12-28
Applicant: UNIVERSAL OIL PROD CO
Inventor: MEKLER LEV A
IPC: C10B55/00
CPC classification number: C10B55/00
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公开(公告)号:US1984687A
公开(公告)日:1934-12-18
申请号:US36555229
申请日:1929-05-23
Applicant: UNIVERSAL OIL PROD CO
Inventor: MEKLER LEV A
IPC: F23L7/00
CPC classification number: F23L7/005
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公开(公告)号:US1901922A
公开(公告)日:1933-03-21
申请号:US22801627
申请日:1927-10-22
Applicant: UNIVERSAL OIL PROD CO
Inventor: MEKLER LEV A
IPC: C10G9/20
CPC classification number: C10G9/20
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公开(公告)号:US1897617A
公开(公告)日:1933-02-14
申请号:US40816829
申请日:1929-11-18
Applicant: UNIVERSAL OIL PROD CO
Inventor: MEKLER LEV A
IPC: C10G32/02
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公开(公告)号:US1828373A
公开(公告)日:1931-10-20
申请号:US17468327
申请日:1927-03-11
Applicant: UNIVERSAL OIL PROD CO
Inventor: MEKLER LEV A
IPC: C21D9/00
CPC classification number: C21D9/00
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公开(公告)号:US2467470A
公开(公告)日:1949-04-19
申请号:US59574245
申请日:1945-05-25
Applicant: UNIVERSAL OIL PROD CO
Inventor: GERHOLD CLARENCE G , MEKLER LEV A
CPC classification number: B01J2/04 , B01D1/18 , B01F13/1027 , B01J21/00
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公开(公告)号:US2408943A
公开(公告)日:1946-10-08
申请号:US54526444
申请日:1944-07-17
Applicant: UNIVERSAL OIL PROD CO
Inventor: MEKLER LEV A
IPC: C10G11/18
CPC classification number: C10G11/18
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