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发明名称
Improvements in or relating to variable speed electrically driven units for gramophone turntables
摘要
申请公布号
GB718938(A)
申请公布日期
1954.11.24
申请号
GB19530001134
申请日期
1953.01.14
申请人
SABURO AKAI
发明人
分类号
G11B19/26
主分类号
G11B19/26
代理机构
代理人
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