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发明名称
UN APARATO REGISTRADOR Y REPRODUCTOR CONECTADO A UNA RED TELEFËNICA PUBLICA
摘要
申请公布号
ES273215(A1)
申请公布日期
1962.04.16
申请号
ES19150002732
申请日期
1961.11.23
申请人
MULLER, WILLY
发明人
分类号
G11B5/004;H04M1/65;(IPC1-7):G11B5/004
主分类号
G11B5/004
代理机构
代理人
主权项
地址
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