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发明名称
Improvements in magazine talking machines
摘要
申请公布号
GB404666(A)
申请公布日期
1934.01.15
申请号
GB19320020082
申请日期
1932.07.15
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED;NORMAN BARNES
发明人
分类号
G11B17/16
主分类号
G11B17/16
代理机构
代理人
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地址
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