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公开(公告)号：US2666817A
公开(公告)日：1954-01-19
申请号：US19483450
申请日：1950-11-09
Applicant: BELL TELEPHONE LABOR INC
Inventor： GORDON RAISBECK , WALLACE JR ROBERT LEE
IPC: H03F3/04
CPC classification number: H03F3/04
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公开(公告)号：US2663796A
公开(公告)日：1953-12-22
申请号：US19483550
申请日：1950-11-09
Applicant: BELL TELEPHONE LABOR INC
Inventor： GORDON RAISBECK , WALLACE JR ROBERT LEE
IPC: H03F1/56
CPC classification number: H03F1/565
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公开(公告)号：US2713665A
公开(公告)日：1955-07-19
申请号：US19483750
申请日：1950-11-09
Applicant: BELL TELEPHONE LABOR INC
Inventor： GORDON RAISBECK , WALLACE JR ROBERT LEE
IPC: H03C1/36
CPC classification number: H03C1/36
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