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发明名称
Improvements relating to electronic audio frequency amplifiers
摘要
申请公布号
GB780665(A)
申请公布日期
1957.08.07
申请号
GB19540033184
申请日期
1954.11.16
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
MOIR JAMES
分类号
G11B5/00
主分类号
G11B5/00
代理机构
代理人
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地址
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