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公开(公告)号:US2957164A
公开(公告)日:1960-10-18
申请号:US73709558
申请日:1958-05-22
Applicant: BELL TELEPHONE LABOR INC
Inventor: LONG THOMAS R , WOLFE ROBERT M
IPC: G11C11/22
CPC classification number: G11C11/22
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公开(公告)号:US3127578A
公开(公告)日:1964-03-31
申请号:US72438958
申请日:1958-03-27
Applicant: BELL TELEPHONE LABOR INC
Inventor: LONG THOMAS R
CPC classification number: H03H9/30 , G11C8/005 , Y10T29/49016
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公开(公告)号:US2936381A
公开(公告)日:1960-05-10
申请号:US72744058
申请日:1958-04-09
Applicant: BELL TELEPHONE LABOR INC
Inventor: LONG THOMAS R
IPC: H03K17/78
CPC classification number: H03K17/78
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