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公开(公告)号:US2791757A
公开(公告)日:1957-05-07
申请号:US41839254
申请日:1954-03-24
Applicant: CALIFORNIA RESEARCH CORP
Inventor: BLAKE FRANCIS G , SCHURMAN GLENN A , AAGAARD PAUL M
IPC: H01B7/12
CPC classification number: H01B7/12
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公开(公告)号:US2772405A
公开(公告)日:1956-11-27
申请号:US41840254
申请日:1954-03-24
Applicant: CALIFORNIA RESEARCH CORP
Inventor: SCHURMAN GLENN A , AAGAARD PAUL M , BLAKE FRANCIS G
IPC: G01V1/20
CPC classification number: G01V1/201
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公开(公告)号:US3149303A
公开(公告)日:1964-09-15
申请号:US84322159
申请日:1959-09-29
Applicant: CALIFORNIA RESEARCH CORP
Inventor: KLEIN JR WALTER W , AAGAARD PAUL M , FREDRIKSSON OKE A , SHOEMAKER WILLIAM E , STEPHENSON LEE P
IPC: G01V1/24
CPC classification number: G01V1/24
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公开(公告)号:US2825039A
公开(公告)日:1958-02-25
申请号:US41839154
申请日:1954-03-24
Applicant: CALIFORNIA RESEARCH CORP
Inventor: SCHURMAN GLENN A , AAGAARD PAUL M
IPC: H01B7/12 , H01R13/523
CPC classification number: H01B7/12 , H01R13/523
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