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公开(公告)号:US3133195A
公开(公告)日:1964-05-12
申请号:US77838458
申请日:1958-12-05
Applicant: CALIFORNIA RESEARCH CORP
Inventor: JONES STANLEY B , SEEVERS DELMAR O , MEYERHOF WALTER E
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公开(公告)号:US3041455A
公开(公告)日:1962-06-26
申请号:US40326354
申请日:1954-01-11
Applicant: CALIFORNIA RESEARCH CORP
Inventor: MEYERHOF WALTER E
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公开(公告)号:US2993996A
公开(公告)日:1961-07-25
申请号:US60058956
申请日:1956-07-27
Applicant: CALIFORNIA RESEARCH CORP
Inventor: MEYERHOF WALTER E
IPC: G01V5/10
CPC classification number: G01V5/10
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