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公开(公告)号:US1944857A
公开(公告)日:1934-01-23
申请号:US54554131
申请日:1931-06-19
Applicant: STANDARD OIL CO
Inventor: ATWELL HAROLD V
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公开(公告)号:US1871943A
公开(公告)日:1932-08-16
申请号:US43344930
申请日:1930-03-05
Applicant: STANDARD OIL CO
Inventor: ATWELL HAROLD V
IPC: F16K17/194
CPC classification number: F16K17/194 , Y10T137/4621 , Y10T137/778 , Y10T137/7915
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公开(公告)号:US1664963A
公开(公告)日:1928-04-03
申请号:US16805927
申请日:1927-02-14
Applicant: STANDARD OIL CO
Inventor: ATWELL HAROLD V
IPC: F16K17/194
CPC classification number: F16K17/194 , Y10T137/4621 , Y10T137/7297 , Y10T137/7771 , Y10T137/7772 , Y10T137/7897 , Y10T137/794
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公开(公告)号:US1654201A
公开(公告)日:1927-12-27
申请号:US16251427
申请日:1927-01-21
Applicant: STANDARD OIL CO
Inventor: WILSON ROBERT E , ATWELL HAROLD V
IPC: C10B55/00
CPC classification number: C10B55/00
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公开(公告)号:CA360982A
公开(公告)日:1936-10-06
申请号:CA360982D
Applicant: STANDARD OIL CO
Inventor: ATWELL HAROLD V
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公开(公告)号:CA287922A
公开(公告)日:1929-03-12
申请号:CA287922D
Applicant: STANDARD OIL CO
Inventor: WILSON ROBERT E , ATWELL HAROLD V
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公开(公告)号:CA246960A
公开(公告)日:1925-02-17
申请号:CA246960D
Applicant: STANDARD OIL CO
Inventor: ATWELL HAROLD V
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