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公开(公告)号:US2248947A
公开(公告)日:1941-07-15
申请号:US19809938
申请日:1938-03-25
Applicant: DIAMOND POWER SPECIALITY
Inventor: FRANK BOWERS
IPC: F28G3/16
CPC classification number: F28G3/166
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公开(公告)号:US1865419A
公开(公告)日:1932-06-28
申请号:US62303123
申请日:1923-03-05
Applicant: DIAMOND POWER SPECIALITY
Inventor: FRANK BOWERS , SNOW NORMAN L
IPC: F28G3/16
CPC classification number: F28G3/166
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公开(公告)号:US1776213A
公开(公告)日:1930-09-16
申请号:US59935522
申请日:1922-11-06
Applicant: DIAMOND POWER SPECIALITY
Inventor: FRANK BOWERS
IPC: F28G3/16
CPC classification number: F28G3/166
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公开(公告)号:US2126683A
公开(公告)日:1938-08-09
申请号:US74597034
申请日:1934-09-28
Applicant: DIAMOND POWER SPECIALITY
Inventor: HOWSE CURTIS L , FRANK BOWERS
IPC: F28G15/08
CPC classification number: F28G15/08
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公开(公告)号:US2069574A
公开(公告)日:1937-02-02
申请号:US5268735
申请日:1935-12-03
Applicant: DIAMOND POWER SPECIALITY
Inventor: FRANK BOWERS
IPC: F28G15/08
CPC classification number: F28G15/08
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公开(公告)号:US1928090A
公开(公告)日:1933-09-26
申请号:US47008730
申请日:1930-07-23
Applicant: DIAMOND POWER SPECIALITY
Inventor: FRANK BOWERS
IPC: F23J3/02
CPC classification number: F23J3/02
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公开(公告)号:US1807276A
公开(公告)日:1931-05-26
申请号:US45387221
申请日:1921-03-21
Applicant: DIAMOND POWER SPECIALITY
Inventor: FRANK BOWERS
IPC: F28G3/16
CPC classification number: F28G3/166
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公开(公告)号:US1465387A
公开(公告)日:1923-08-21
申请号:US58896022
申请日:1922-09-18
Applicant: DIAMOND POWER SPECIALITY
Inventor: FRANK BOWERS
IPC: F28G3/16
CPC classification number: F28G3/166 , Y10T137/86445
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公开(公告)号:US2121493A
公开(公告)日:1938-06-21
申请号:US75188434
申请日:1934-11-07
Applicant: DIAMOND POWER SPECIALITY
Inventor: THOMAS WILLIS P , FRANK BOWERS , COX SAMUEL F
IPC: F28G1/16
CPC classification number: F28G1/166
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公开(公告)号:US2023108A
公开(公告)日:1935-12-03
申请号:US53325831
申请日:1931-04-27
Applicant: DIAMOND POWER SPECIALITY
Inventor: THOMAS WILLIS P , FRANK BOWERS , GROSS CHARLES E
IPC: F28G1/16
CPC classification number: F28G1/166
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