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公开(公告)号:US1714773A
公开(公告)日:1929-05-28
申请号:US21681327
申请日:1927-09-01
Applicant: STANDARD OIL CO CALIFORNIA
Inventor: GATES LEROY G
IPC: F16N7/20
CPC classification number: F16N7/20
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公开(公告)号:US1975144A
公开(公告)日:1934-10-02
申请号:US62065032
申请日:1932-07-02
Applicant: STANDARD OIL CO CALIFORNIA
Inventor: GATES LEROY G
IPC: F16K17/192
CPC classification number: F16K17/192
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公开(公告)号:US1665451A
公开(公告)日:1928-04-10
申请号:US8703726
申请日:1926-02-09
Applicant: STANDARD OIL CO CALIFORNIA
Inventor: GATES LEROY G
IPC: D07B7/12
CPC classification number: D07B7/12
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