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公开(公告)号:US3053998A
公开(公告)日:1962-09-11
申请号:US84646059
申请日:1959-10-14
Applicant: BELL TELEPHONE LABOR INC
Inventor: CHYNOWETH ALAN G , FELDMANN WILLIAM L , PEARSON GERALD L
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公开(公告)号:US3518659A
公开(公告)日:1970-06-30
申请号:US3518659D
申请日:1965-07-19
Applicant: BELL TELEPHONE LABOR INC
Inventor: CHYNOWETH ALAN G , FELDMANN WILLIAM L
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