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发明名称
Improvements in receivers for voice-frequency telegraph transmission systems with amplitude modulation
摘要
申请公布号
GB709327(A)
申请公布日期
1954.05.19
申请号
GB19520017702
申请日期
1952.07.14
申请人
COMPAGNIE INDUSTRIELLE DES TELEPHONES
发明人
分类号
H04L27/08
主分类号
H04L27/08
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