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发明名称
SISTEMA DE FREQUENCIA PORTADORA DE TELECOMUNICACAO
摘要
申请公布号
BR7804474(A)
申请公布日期
1979.04.03
申请号
BR19780004474
申请日期
1978.07.12
申请人
SIEMENS ITALIANA SPA
发明人
COCCHI G
分类号
H04J1/04;(IPC1-7):H03D3/00
主分类号
H04J1/04
代理机构
代理人
主权项
地址
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