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经营范围
发明名称
PERFECCIONAMIENTOS EN CIRCUITOS DE APARATOS TELEFONICOS.
摘要
申请公布号
ES467362(A1)
申请公布日期
1978.11.01
申请号
ES19620004673
申请日期
1978.02.28
申请人
TOTAL COMMUNICATION SYSTEMS, S. A.
发明人
分类号
G08B;H04M;(IPC1-7):04M/;08B/
主分类号
G08B
代理机构
代理人
主权项
地址
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