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经营范围
发明名称
Improvements in or relating to radio frequency generating and modulating systems
摘要
申请公布号
GB579736(A)
申请公布日期
1946.08.14
申请号
GB19420009240
申请日期
1942.07.23
申请人
DONALD LEWES HINGS
发明人
分类号
H03C1/22
主分类号
H03C1/22
代理机构
代理人
主权项
地址
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