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公开(公告)号:US2190787A
公开(公告)日:1940-02-20
申请号:US6366436
申请日:1936-02-12
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
CPC classification number: G01S1/02
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公开(公告)号:US2714842A
公开(公告)日:1955-08-09
申请号:US20557651
申请日:1951-01-11
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
IPC: B41B27/00
CPC classification number: B41B27/00
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公开(公告)号:US2332795A
公开(公告)日:1943-10-26
申请号:US38121841
申请日:1941-03-01
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
IPC: B64D1/04
CPC classification number: B64D1/04 , Y10T307/74
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公开(公告)号:US2180358A
公开(公告)日:1939-11-21
申请号:US19478438
申请日:1938-03-09
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
IPC: F02P13/00
CPC classification number: F02P13/00
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公开(公告)号:US2175025A
公开(公告)日:1939-10-03
申请号:US9099736
申请日:1936-07-16
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
IPC: H05K5/04
CPC classification number: H05K5/04
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公开(公告)号:US2170820A
公开(公告)日:1939-08-29
申请号:US9119036
申请日:1936-07-17
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
IPC: G01S3/04
CPC classification number: G01S3/04
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公开(公告)号:US2134126A
公开(公告)日:1938-10-25
申请号:US9119236
申请日:1936-07-17
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
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公开(公告)号:US2062906A
公开(公告)日:1936-12-01
申请号:US71895934
申请日:1934-04-04
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
CPC classification number: G01S1/02
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公开(公告)号:US2448885A
公开(公告)日:1948-09-07
申请号:US61933645
申请日:1945-09-29
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
IPC: H01H3/40
CPC classification number: H01H3/40
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公开(公告)号:US2171561A
公开(公告)日:1939-09-05
申请号:US9099536
申请日:1936-07-16
Applicant: HOOVEN FREDERICK J
Inventor: HOOVEN FREDERICK J
CPC classification number: G01S1/02
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