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经营范围
发明名称
SUBESTACION DE TELECOMUNICACION CON TRANSMISION ECUALIZADA.
摘要
申请公布号
ES374943(A1)
申请公布日期
1972.02.16
申请号
ES19430003749
申请日期
1969.12.26
申请人
STANDARD ELECTRICA, S. A.
发明人
分类号
H04M1/76;(IPC1-7):04M/
主分类号
H04M1/76
代理机构
代理人
主权项
地址
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