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经营范围
发明名称
Improvements relating to radio receiving systems operating in conjunction with a.c. mains
摘要
申请公布号
GB328117(A)
申请公布日期
1930.04.24
申请号
GB19290012357
申请日期
1929.04.20
申请人
HAROLD VINCENT CARLISLE;FERRANTI, LIMITED
发明人
分类号
H02M1/14
主分类号
H02M1/14
代理机构
代理人
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地址
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