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公开(公告)号:US3039604A
公开(公告)日:1962-06-19
申请号:US83910659
申请日:1959-09-10
Applicant: TEXAS INSTRUMENTS INC
Inventor: BICKEL RICHARD L , BROOKE WENDELL C , DAY WINTHROP J , MCDONALD JR EARL D , MILLIS EDWIN G , NYGAARD JAMES L
IPC: G01R31/26
CPC classification number: G01R31/2601