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公开(公告)号：US2821597A
公开(公告)日：1958-01-28
申请号：US49514455
申请日：1955-03-18
Applicant: BELL TELEPHONE LABOR INC
Inventor： GERMANTON CHARLES E , OLIVER JOHN W
IPC: H01H51/28
CPC classification number: H01H51/281
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公开(公告)号：US2877315A
公开(公告)日：1959-03-10
申请号：US59236856
申请日：1956-06-19
Applicant: BELL TELEPHONE LABOR INC
Inventor： OLIVER JOHN W
IPC: H01H51/28
CPC classification number: H01H51/284
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