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公开(公告)号:US3088069A
公开(公告)日:1963-04-30
申请号:US74357658
申请日:1958-06-23
Applicant: IBM
Inventor: MARKEY HAROLD G
IPC: H04B1/68 , H04L27/20 , H04L27/227
CPC classification number: H04B1/68 , H04L27/2035 , H04L27/2275
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公开(公告)号:US2979566A
公开(公告)日:1961-04-11
申请号:US71597658
申请日:1958-02-18
Applicant: IBM
Inventor: EMIL HOPNER , MARKEY HAROLD G
IPC: H04L27/20 , H04L27/227
CPC classification number: H04L27/2275 , H04L27/2035
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公开(公告)号:US3388216A
公开(公告)日:1968-06-11
申请号:US46949165
申请日:1965-07-06
Applicant: IBM
Inventor: BROOKE ALVIN W , KUNTZLEMAN HARRY C , MARKEY HAROLD G
CPC classification number: H04L25/0262 , H04L7/0331
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