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公开(公告)号:US3023410A
公开(公告)日:1962-02-27
申请号:US86155159
申请日:1959-12-23
Applicant: SERVO CORP OF AMERICA
Inventor: HANSEL PAUL G
CPC classification number: G01S1/024
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公开(公告)号:US2807781A
公开(公告)日:1957-09-24
申请号:US33029553
申请日:1953-01-08
Applicant: SERVO CORP OF AMERICA
Inventor: HANSEL PAUL G
IPC: G01R23/00
CPC classification number: G01R23/00
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公开(公告)号:US2749515A
公开(公告)日:1956-06-05
申请号:US20006050
申请日:1950-12-09
Applicant: SERVO CORP OF AMERICA
Inventor: HANSEL PAUL G
IPC: G01R23/00
CPC classification number: G01R23/00
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