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21.
公开(公告)号:US1998248A
公开(公告)日:1935-04-16
申请号:US24978228
申请日:1928-01-27
Applicant: STANDARD OIL DEV CO
Inventor: LOOMIS NATHANIEL E
CPC classification number: C10G9/14
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公开(公告)号:US1997938A
公开(公告)日:1935-04-16
申请号:US58496532
申请日:1932-01-06
Applicant: STANDARD OIL DEV CO
Inventor: LOOMIS NATHANIEL E
IPC: C10G25/11
CPC classification number: C10G25/11
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公开(公告)号:US1877921A
公开(公告)日:1932-09-20
申请号:US41138129
申请日:1929-12-03
Applicant: STANDARD OIL DEV CO
Inventor: LOOMIS NATHANIEL E
CPC classification number: C10G9/38
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公开(公告)号:US1820983A
公开(公告)日:1931-09-01
申请号:US8848226
申请日:1926-02-15
Applicant: STANDARD OIL DEV CO
Inventor: LOOMIS NATHANIEL E
IPC: C10L1/23
CPC classification number: C10L1/231
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公开(公告)号:US1812658A
公开(公告)日:1931-06-30
申请号:US4519525
申请日:1925-07-22
Applicant: STANDARD OIL DEV CO
Inventor: LOOMIS NATHANIEL E
CPC classification number: C10G9/14
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公开(公告)号:US1785274A
公开(公告)日:1930-12-16
申请号:US64240023
申请日:1923-05-31
Applicant: STANDARD OIL DEV CO
Inventor: LOOMIS NATHANIEL E , TOMLINSON ALBERT H , HOWARD FRANK A
CPC classification number: C10G9/14
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公开(公告)号:US1756032A
公开(公告)日:1930-04-29
申请号:US56674822
申请日:1922-06-08
Applicant: STANDARD OIL DEV CO
Inventor: LOOMIS NATHANIEL E
IPC: C10G7/06
CPC classification number: C10G7/06
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28.
公开(公告)号:US1746198A
公开(公告)日:1930-02-04
申请号:US71722624
申请日:1924-06-02
Applicant: STANDARD OIL DEV CO
Inventor: LOOMIS NATHANIEL E , LEWIS WARREN K
IPC: C10G73/02
CPC classification number: C10G73/02
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