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经营范围
发明名称
Improvements in circuits for the reception of electrical signals by means of carrierwaves
摘要
申请公布号
GB416705(A)
申请公布日期
1934.09.19
申请号
GB19330021482
申请日期
1933.07.31
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;EDGAR PHILIP LAWRENCE WESTELL
发明人
分类号
H04J1/14
主分类号
H04J1/14
代理机构
代理人
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地址
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