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公开(公告)号:US2282722A
公开(公告)日:1942-05-12
申请号:US31640240
申请日:1940-01-30
Applicant: HALL EDWIN S
Inventor: HALL EDWIN S
IPC: F02B75/26
CPC classification number: F02B75/26 , Y10T74/18336
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公开(公告)号:US2258138A
公开(公告)日:1941-10-07
申请号:US25607139
申请日:1939-02-13
Applicant: HALL EDWIN S
Inventor: HALL EDWIN S
IPC: F16H23/06
CPC classification number: F16H23/06 , Y10T74/18336
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公开(公告)号:US2108062A
公开(公告)日:1938-02-15
申请号:US67928133
申请日:1933-07-07
Applicant: HALL EDWIN S
Inventor: HALL EDWIN S
CPC classification number: F16H29/22 , F16H29/00 , Y10T74/1505 , Y10T74/151 , Y10T74/2112 , Y10T74/2147
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4.
公开(公告)号:US2303838A
公开(公告)日:1942-12-01
申请号:US43715942
申请日:1942-04-01
Applicant: HALL EDWIN S
Inventor: HALL EDWIN S
IPC: F16H23/06
CPC classification number: F16H23/06 , Y10T74/18336
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公开(公告)号:US2282721A
公开(公告)日:1942-05-12
申请号:US28914939
申请日:1939-08-09
Applicant: HALL EDWIN S
Inventor: HALL EDWIN S
CPC classification number: F02B75/26 , F02B2075/025
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公开(公告)号:US2216342A
公开(公告)日:1940-10-01
申请号:US26444039
申请日:1939-03-27
Applicant: HALL EDWIN S
Inventor: HALL EDWIN S
IPC: F01B3/02
CPC classification number: F01B3/02
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公开(公告)号:US2205953A
公开(公告)日:1940-06-25
申请号:US25162739
申请日:1939-01-18
Applicant: HALL EDWIN S
Inventor: HALL EDWIN S
IPC: F16H25/12
CPC classification number: F16H25/12 , Y10T74/18304 , Y10T74/18336
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公开(公告)号:US2152351A
公开(公告)日:1939-03-28
申请号:US18940238
申请日:1938-02-08
Applicant: HALL EDWIN S
Inventor: HALL EDWIN S
CPC classification number: F02B75/26 , F02B2075/025
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公开(公告)号:US2137487A
公开(公告)日:1938-11-22
申请号:US6701536
申请日:1936-03-04
Applicant: HALL EDWIN S
Inventor: HALL EDWIN S
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公开(公告)号:US1944889A
公开(公告)日:1934-01-30
申请号:US67237833
申请日:1933-05-23
Applicant: HALL EDWIN S
Inventor: HALL EDWIN S
IPC: B41J29/50
CPC classification number: B41J29/50
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