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经营范围
发明名称
Improvements in or relating to radio receivers
摘要
申请公布号
GB405965(A)
申请公布日期
1934.02.08
申请号
GB19320022229
申请日期
1932.08.08
申请人
VINCENZO DE GIORGI
发明人
分类号
H03D7/18
主分类号
H03D7/18
代理机构
代理人
主权项
地址
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