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经营范围
发明名称
Radio receiver
摘要
申请公布号
GB404401(A)
申请公布日期
1934.01.18
申请号
GB19320025147
申请日期
1932.09.09
申请人
HAZELTINE CORPORATION
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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