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公开(公告)号:US3198188A
公开(公告)日:1965-08-03
申请号:US9926461
申请日:1961-03-29
Applicant: PERFECT CIRCLE CORP
Inventor: HEID JR ROBERT W
IPC: F01L3/08
CPC classification number: F01L3/08
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公开(公告)号:US3197243A
公开(公告)日:1965-07-27
申请号:US13165461
申请日:1961-08-15
Applicant: PERFECT CIRCLE CORP
Inventor: BRENNEKE ARTHUR M
IPC: F16D1/08
CPC classification number: F16C27/00 , F16D1/0835 , Y10T403/7061
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公开(公告)号:US3165779A
公开(公告)日:1965-01-19
申请号:US19040762
申请日:1962-04-26
Applicant: PERFECT CIRCLE CORP
Inventor: TEETOR HERMAN C , DAVID TEETOR
IPC: A22C25/02
CPC classification number: A22C25/02
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公开(公告)号:US3134602A
公开(公告)日:1964-05-26
申请号:US16475762
申请日:1962-01-08
Applicant: PERFECT CIRCLE CORP
Inventor: WILSON ROBERT R
IPC: F16J9/14
CPC classification number: F16J9/14
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公开(公告)号:US3066943A
公开(公告)日:1962-12-04
申请号:US86218759
申请日:1959-12-28
Applicant: PERFECT CIRCLE CORP
Inventor: BRENNEKE ARTHUR M
IPC: F16J9/06
CPC classification number: F16J9/062
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公开(公告)号:US3050147A
公开(公告)日:1962-08-21
申请号:US62765056
申请日:1956-12-11
Applicant: PERFECT CIRCLE CORP
Inventor: TEETOR RALPH R
CPC classification number: B60K31/14 , F02D9/00 , F02D2700/0238
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公开(公告)号:US2922222A
公开(公告)日:1960-01-26
申请号:US64139557
申请日:1957-02-20
Applicant: PERFECT CIRCLE CORP
Inventor: FREDRICK JONES CERNYW
IPC: B23P19/08
CPC classification number: B23P19/088 , Y10T29/53074 , Y10T29/53478 , Y10T29/536 , Y10T29/53609
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公开(公告)号:US2895489A
公开(公告)日:1959-07-21
申请号:US50186055
申请日:1955-04-18
Applicant: PERFECT CIRCLE CORP
Inventor: FOUST EUGENE A
CPC classification number: C23G3/021 , B21C47/003 , B65H54/40 , B65H59/38
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公开(公告)号:US2856678A
公开(公告)日:1958-10-21
申请号:US46774454
申请日:1954-11-09
Applicant: PERFECT CIRCLE CORP
Inventor: JOHNSON JESSE W
IPC: B25B27/12
CPC classification number: B25B27/12 , Y10T29/536
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公开(公告)号:US2778313A
公开(公告)日:1957-01-22
申请号:US26215651
申请日:1951-12-17
Applicant: PERFECT CIRCLE CORP
Inventor: HILL ROBERT H
IPC: F04C14/28
CPC classification number: F04C14/28
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