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发明名称
Procédé de réduction de la diaphonie dans les lignes de transmission
摘要
申请公布号
FR811082(A)
申请公布日期
1937.04.06
申请号
FRD811082
申请日期
1936.08.27
申请人
LIGNES TELEGRAPHIQUES ET TELEPHONIQUES
发明人
分类号
H04B3/32
主分类号
H04B3/32
代理机构
代理人
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