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公开(公告)号:US2110562A
公开(公告)日:1938-03-08
申请号:US3217835
申请日:1935-07-19
Applicant: PERFECT CIRCLE CO
Inventor: TEETOR RALPH R
IPC: F16J9/06
CPC classification number: F16J9/063
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公开(公告)号:US2084828A
公开(公告)日:1937-06-22
申请号:US4170835
申请日:1935-09-23
Applicant: PERFECT CIRCLE CO
Inventor: TEETOR RALPH R
IPC: F16J9/06
CPC classification number: F16J9/063
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公开(公告)号:US1885038A
公开(公告)日:1932-10-25
申请号:US61620332
申请日:1932-06-09
Applicant: PERFECT CIRCLE CO
Inventor: TEETOR RALPH R
IPC: F16J1/06
CPC classification number: F16J1/06
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公开(公告)号:US2452503A
公开(公告)日:1948-10-26
申请号:US54133444
申请日:1944-06-21
Applicant: PERFECT CIRCLE CO
Inventor: TEETOR RALPH R
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公开(公告)号:US2407192A
公开(公告)日:1946-09-03
申请号:US53725244
申请日:1944-05-25
Applicant: PERFECT CIRCLE CO
Inventor: TEETOR RALPH R
IPC: F02F3/02
CPC classification number: F02F3/02 , F02F3/025 , F05C2201/021 , F05C2201/0448
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公开(公告)号:US1997023A
公开(公告)日:1935-04-09
申请号:US66571833
申请日:1933-04-12
Applicant: PERFECT CIRCLE CO
Inventor: TEETOR RALPH R
IPC: F16J1/06
CPC classification number: F16J1/06
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公开(公告)号:US2439702A
公开(公告)日:1948-04-13
申请号:US57698845
申请日:1945-02-09
Applicant: PERFECT CIRCLE CO
Inventor: TEETOR RALPH R
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公开(公告)号:US2397220A
公开(公告)日:1946-03-26
申请号:US38892041
申请日:1941-04-17
Applicant: PERFECT CIRCLE CO
Inventor: TEETOR RALPH R
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公开(公告)号:US2110345A
公开(公告)日:1938-03-08
申请号:US73780034
申请日:1934-07-31
Applicant: PERFECT CIRCLE CO
Inventor: TEETOR RALPH R
IPC: F02F3/04
CPC classification number: F02F3/04 , F05C2201/021 , F05C2201/0448
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公开(公告)号:US2000106A
公开(公告)日:1935-05-07
申请号:US65227933
申请日:1933-01-18
Applicant: PERFECT CIRCLE CO
Inventor: TEETOR RALPH R
IPC: F16J1/06
CPC classification number: F16J1/06
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