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公开(公告)号:US3005664A
公开(公告)日:1961-10-24
申请号:US67682657
申请日:1957-08-07
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
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公开(公告)号:US2988160A
公开(公告)日:1961-06-13
申请号:US55617955
申请日:1955-12-29
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
CPC classification number: B60G9/027 , B60G2200/324 , B60K17/165
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公开(公告)号:US2555491A
公开(公告)日:1951-06-05
申请号:US53343144
申请日:1944-04-29
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
IPC: H02P25/28
CPC classification number: H02P25/28
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公开(公告)号:US2220904A
公开(公告)日:1940-11-12
申请号:US9099636
申请日:1936-07-16
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
CPC classification number: G01S1/02
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公开(公告)号:US2173841A
公开(公告)日:1939-09-26
申请号:US9119136
申请日:1936-07-17
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
IPC: G05D1/02
CPC classification number: G05D1/0202
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公开(公告)号:US2107633A
公开(公告)日:1938-02-08
申请号:US918435
申请日:1935-03-04
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
CPC classification number: G01S1/02
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公开(公告)号:US2653290A
公开(公告)日:1953-09-22
申请号:US22650351
申请日:1951-05-15
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
IPC: H02P25/28
CPC classification number: H02P25/28 , Y10S388/902 , Y10S388/93
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公开(公告)号:US2559568A
公开(公告)日:1951-07-03
申请号:US19272050
申请日:1950-10-28
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
CPC classification number: F02P5/02
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公开(公告)号:US2351336A
公开(公告)日:1944-06-13
申请号:US41222941
申请日:1941-09-25
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
IPC: B64D1/04
CPC classification number: B64D1/04
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公开(公告)号:US2347481A
公开(公告)日:1944-04-25
申请号:US28590839
申请日:1939-07-22
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
IPC: B64D1/04
CPC classification number: B64D1/04 , Y10T307/957
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