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经营范围
发明名称
Sous-centrale satellite automatique pour installations téléphoniques multiplex
摘要
申请公布号
FR682716(A)
申请公布日期
1930.06.02
申请号
FRD682716
申请日期
1929.10.03
申请人
发明人
GAIZO PIETRO DEL;GIANOLIO GIUSEPPE
分类号
H04Q5/20
主分类号
H04Q5/20
代理机构
代理人
主权项
地址
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