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发明名称
Communication system utilizing frequency differential time delay
摘要
申请公布号
US3293376(A)
申请公布日期
1966.12.20
申请号
US19620248698
申请日期
1962.12.31
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
HOPNER EMIL
分类号
H04L25/03
主分类号
H04L25/03
代理机构
代理人
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地址
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