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经营范围
发明名称
SIGNALLING OVER POWER LINES
摘要
申请公布号
GB2047507(B)
申请公布日期
1983.12.14
申请号
GB19800011877
申请日期
1980.04.10
申请人
ASKEW P
发明人
分类号
H04B3/54;(IPC1-7):H04B3/54
主分类号
H04B3/54
代理机构
代理人
主权项
地址
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