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公开(公告)号:US2692952A
公开(公告)日:1954-10-26
申请号:US27650752
申请日:1952-03-14
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRIGGS HOWARD B
IPC: G02F1/015
CPC classification number: G02F1/015
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公开(公告)号:US2683794A
公开(公告)日:1954-07-13
申请号:US26361251
申请日:1951-12-27
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRIGGS HOWARD B , HAYNES JAMES R , WILLIAM SHOCKLEY
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公开(公告)号:US2436377A
公开(公告)日:1948-02-24
申请号:US51573043
申请日:1943-12-27
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRIGGS HOWARD B , JOHNSON JOHN B , MASON WARREN P
IPC: G10K11/32
CPC classification number: G10K11/32
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