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发明名称
Improvements in or relating to gramophone speed-changing devices
摘要
申请公布号
GB820379(A)
申请公布日期
1959.09.16
申请号
GB19560024256
申请日期
1956.08.08
申请人
THE PLESSEY COMPANY LIMITED
发明人
LEE JAMES ALEXANDER
分类号
G11B19/265
主分类号
G11B19/265
代理机构
代理人
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地址
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