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公开(公告)号:US3214691A
公开(公告)日:1965-10-26
申请号:US2898660
申请日:1960-05-13
Applicant: NAT COMPANY INC
Inventor: SPROUL ROBERT W , BRILLIANT MARTIN B , OXMAN MARTIN H , ROBERT ALTER
IPC: H04B7/12
CPC classification number: H04B7/12
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公开(公告)号:US3175050A
公开(公告)日:1965-03-23
申请号:US1639560
申请日:1960-03-21
Applicant: NAT COMPANY INC
Inventor: OXMAN MARTIN H
IPC: H04B3/38
CPC classification number: H04B3/38
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