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发明名称
Improvements in gramophone and the like sound reproduction devices
摘要
申请公布号
GB468137(A)
申请公布日期
1937.06.28
申请号
GB19350026596
申请日期
1935.09.26
申请人
ROBERT WILKINSON
发明人
分类号
G11B17/02
主分类号
G11B17/02
代理机构
代理人
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