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经营范围
发明名称
Improvements in and relating to radio receiving apparatus
摘要
申请公布号
GB412944(A)
申请公布日期
1934.07.04
申请号
GB19330000298
申请日期
1933.01.04
申请人
SYDNEY ARTHUR STEVENS;THE WESTINGHOUSE BRAKE & SAXBY SIGNAL COMPANY LIMITED
发明人
分类号
H03G3/22
主分类号
H03G3/22
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