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发明名称
Perfectionnements relatifs au contrôle des courants alternatifs
摘要
申请公布号
FR798583(A)
申请公布日期
1936.05.20
申请号
FRD798583
申请日期
1935.10.05
申请人
"LE MATERIEL TELEPHONIQUE", SOCIETE ANONYME
发明人
分类号
H03G11/00;H04L27/04
主分类号
H03G11/00
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代理人
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地址
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