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经营范围
发明名称
Improvements in or relating to power feed arrangements for telecommunication or like systems
摘要
申请公布号
GB828454(A)
申请公布日期
1960.02.17
申请号
GB19560037508
申请日期
1956.12.07
申请人
BRITISH TELECOMMUNICATIONS RESEARCH LIMITED
发明人
DODD GEORGE ALEXANDER;HELLIWELL BRIAN STANLEY
分类号
H04B3/44
主分类号
H04B3/44
代理机构
代理人
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