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经营范围
发明名称
Improvements in wireless receiving circuits and apparatus
摘要
申请公布号
GB436233(A)
申请公布日期
1935.10.08
申请号
GB19340011215
申请日期
1934.04.13
申请人
EDWARD WALTER HOBBS
发明人
分类号
H04H20/77
主分类号
H04H20/77
代理机构
代理人
主权项
地址
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