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公开(公告)号:US1902736A
公开(公告)日:1933-03-21
申请号:US40961129
申请日:1929-11-25
Applicant: DIAMOND POWER SPECIALITY
Inventor: THOMAS WILLIS P
IPC: F28G3/16
CPC classification number: F28G3/166
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公开(公告)号:US1894297A
公开(公告)日:1933-01-17
申请号:US16548027
申请日:1927-02-02
Applicant: DIAMOND POWER SPECIALITY
Inventor: SNOW NORMAN L , THOMAS WILLIS P
CPC classification number: F23J3/02
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公开(公告)号:US1840544A
公开(公告)日:1932-01-12
申请号:US64914023
申请日:1923-07-02
Applicant: DIAMOND POWER SPECIALITY
Inventor: THOMAS WILLIS P
IPC: F28G1/16
CPC classification number: F28G1/166
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公开(公告)号:US1750548A
公开(公告)日:1930-03-11
申请号:US63233723
申请日:1923-04-16
Applicant: DIAMOND POWER SPECIALITY
Inventor: THOMAS WILLIS P
IPC: F28G3/16
CPC classification number: F28G3/166
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