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发明名称
Improvements relating to signalling receiver arrangements in carrier-wave multiplex telephone systems
摘要
申请公布号
GB788606(A)
申请公布日期
1958.01.02
申请号
GB19540019080
申请日期
1954.06.29
申请人
TELEPHONE MANUFACTURING COMPANY LIMITED
发明人
HARRISON KENNETH WHITELEY
分类号
H04J1/14
主分类号
H04J1/14
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代理人
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