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公开(公告)号:US3409848A
公开(公告)日:1968-11-05
申请号:US67889267
申请日:1967-10-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: MEITZLER ALLEN H , TIERSTEN HARRY F
公开(公告)号:US3409848A
公开(公告)日:1968-11-05
申请号:US67889267
申请日:1967-10-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: MEITZLER ALLEN H , TIERSTEN HARRY F