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发明名称
Répéteurs antiparasites pour circuit téléphonique
摘要
申请公布号
FR803656(A)
申请公布日期
1936.10.06
申请号
FRD803656
申请日期
1935.06.24
申请人
发明人
MARZIN PIERRE
分类号
H04B3/04;H04B3/30
主分类号
H04B3/04
代理机构
代理人
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