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1.Construction and mounting of a valve mechanism for internal-combustion engines 失效
Title translation: 内燃机阀门结构和安装公开(公告)号:US1656771A
公开(公告)日:1928-01-17
申请号:US1399025
申请日:1925-03-09
Applicant: HAROLD F PITCAIRN
Inventor: BREWER ROBERT W A
IPC: F01L7/00
CPC classification number: F01L7/00
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2.Construction and mounting of alpha valve-sealing mechanism for internalcombustion engines 失效
Title translation: 内燃机用α阀封闭机构的构造和安装公开(公告)号:US1637799A
公开(公告)日:1927-08-02
申请号:US1399325
申请日:1925-03-09
Applicant: HAROLD F PITCAIRN
Inventor: BREWER ROBERT W A
IPC: F01L7/16
CPC classification number: F01L7/16
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公开(公告)号:US1670876A
公开(公告)日:1928-05-22
申请号:US1399225
申请日:1925-03-09
Applicant: HAROLD F PITCAIRN
Inventor: BREWER ROBERT W A
IPC: F01L7/08
CPC classification number: F01L7/08
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公开(公告)号:US1741677A
公开(公告)日:1929-12-31
申请号:US17045527
申请日:1927-02-24
Applicant: HAROLD F PITCAIRN
Inventor: BREWER ROBERT W A
IPC: F01L1/12
CPC classification number: F01L1/12 , Y10T74/20582
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公开(公告)号:US1738560A
公开(公告)日:1929-12-10
申请号:US14354626
申请日:1926-10-23
Applicant: HAROLD F PITCAIRN
Inventor: BREWER ROBERT W A
CPC classification number: F01M1/06 , F02B75/222
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公开(公告)号:US1741678A
公开(公告)日:1929-12-31
申请号:US20586527
申请日:1927-07-15
Applicant: HAROLD F PITCAIRN
Inventor: BREWER ROBERT W A
IPC: F01L1/12
CPC classification number: F01L1/12 , Y10T74/20582
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公开(公告)号:US1736875A
公开(公告)日:1929-11-26
申请号:US18512327
申请日:1927-04-20
Applicant: HAROLD F PITCAIRN
Inventor: BREWER ROBERT W A
IPC: F16H1/32
CPC classification number: F16H21/14 , Y10T74/184
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