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经营范围
发明名称
Improvements in radio receiving systems and valves used therein
摘要
申请公布号
GB429429(A)
申请公布日期
1935.05.22
申请号
GB19330031159
申请日期
1933.11.22
申请人
ERNEST YEOMAN ROBINSON;ASSOCIATED ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
H03G3/26
主分类号
H03G3/26
代理机构
代理人
主权项
地址
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