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经营范围
发明名称
Improvements in or relating to power feeding arrangements for telecommunication systems
摘要
申请公布号
GB744340(A)
申请公布日期
1956.02.01
申请号
GB19530027874
申请日期
1953.10.09
申请人
BRITISH TELECOMMUNICATIONS RESEARCH LIMITED
发明人
LAWTON JOHN;CLARK HAROLD WILLIAM;HELLIWELL BRIAN STANLEY
分类号
H04B3/44
主分类号
H04B3/44
代理机构
代理人
主权项
地址
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