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经营范围
发明名称
Improvement in radio receivers and the like
摘要
申请公布号
GB331991(A)
申请公布日期
1930.07.17
申请号
GB19290015589
申请日期
1929.05.18
申请人
JAMES PERCIVAL LAKER
发明人
分类号
E04F11/16;H01J9/30;H05K3/04;H05K3/20;H05K9/00
主分类号
E04F11/16
代理机构
代理人
主权项
地址
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