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公开(公告)号:US3230313A
公开(公告)日:1966-01-18
申请号:US20042162
申请日:1962-06-06
Applicant: BELL TELEPHONE LABOR INC
Inventor: GEORGE FISHMAN , LE CRONIER RICHARD E , ZEBE CHARLES W
IPC: H04Q3/00
CPC classification number: H04Q3/0004
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公开(公告)号:US3134055A
公开(公告)日:1964-05-19
申请号:US15680061
申请日:1961-12-04
Applicant: BELL TELEPHONE LABOR INC
Inventor: LE CRONIER RICHARD E , RACKMAN MICHAEL I
IPC: H04L25/49
CPC classification number: H04L25/4917 , Y10T307/76
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公开(公告)号:US3131263A
公开(公告)日:1964-04-28
申请号:US16001061
申请日:1961-12-18
Applicant: BELL TELEPHONE LABOR INC
Inventor: LE CRONIER RICHARD E , SCHWENZFEGER EDWARD E
IPC: H04M11/06
CPC classification number: H04M11/06
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公开(公告)号:US3134054A
公开(公告)日:1964-05-19
申请号:US15679961
申请日:1961-12-04
Applicant: BELL TELEPHONE LABOR INC
Inventor: LE CRONIER RICHARD E , SCHWENZFEGER EDWARD E
CPC classification number: H03K17/70 , H04L25/4917
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公开(公告)号:US3134052A
公开(公告)日:1964-05-19
申请号:US18849262
申请日:1962-04-18
Applicant: BELL TELEPHONE LABOR INC
Inventor: LE CRONIER RICHARD E , RACKMAN MICHAEL I
IPC: H04L25/49
CPC classification number: H04L25/4917 , Y10T307/858
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