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公开(公告)号:US2577795A
公开(公告)日:1951-12-11
申请号:US13606349
申请日:1949-12-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: MOHR MILTON E
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公开(公告)号:US2564125A
公开(公告)日:1951-08-14
申请号:US3785848
申请日:1948-07-09
Applicant: BELL TELEPHONE LABOR INC
Inventor: MOHR MILTON E
IPC: H04Q3/00
CPC classification number: H04Q3/0004
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公开(公告)号:US2408086A
公开(公告)日:1946-09-24
申请号:US39668841
申请日:1941-06-05
Applicant: BELL TELEPHONE LABOR INC
Inventor: MEACHAM LARNED A , MOHR MILTON E , PARKER CARLYLE V
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公开(公告)号:US2326551A
公开(公告)日:1943-08-10
申请号:US37799841
申请日:1941-02-08
Applicant: BELL TELEPHONE LABOR INC
Inventor: MOHR MILTON E
IPC: H04Q3/00
CPC classification number: H04Q3/0004
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