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发明名称
Improvements in or relating to radio circuits
摘要
申请公布号
GB638170(A)
申请公布日期
1950.05.31
申请号
GB19470016202
申请日期
1947.06.19
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
HEATON-ARMSTRONG LOUIS JOHN
分类号
H03J5/24
主分类号
H03J5/24
代理机构
代理人
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