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公开(公告)号:US2952528A
公开(公告)日:1960-09-13
申请号:US61528556
申请日:1956-10-11
Applicant: TEXAS INSTRUMENTS INC
Inventor: BOYD CORNELISON
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公开(公告)号:US2738676A
公开(公告)日:1956-03-20
申请号:US14012450
申请日:1950-01-23
Applicant: TEXAS INSTRUMENTS INC
Inventor: WORDEN SAMUEL P , BOYD CORNELISON
IPC: G01V7/08
CPC classification number: G01V7/08
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