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发明名称
Improvements relating to record-changing gramophones or record players
摘要
申请公布号
GB819427(A)
申请公布日期
1959.09.02
申请号
GB19560001984
申请日期
1956.01.20
申请人
MARCEL JULES HELENE STAAR
发明人
分类号
G11B17/14
主分类号
G11B17/14
代理机构
代理人
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