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经营范围
发明名称
Systèmes de transmission électriques
摘要
申请公布号
FR854165(A)
申请公布日期
1940.04.06
申请号
FRD854165
申请日期
1938.12.17
申请人
LE MATERIEL TELEPHONIQUE
发明人
分类号
H03C1/60
主分类号
H03C1/60
代理机构
代理人
主权项
地址
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