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发明名称
Improvements in and relating to sound reproducing and/or recording apparatus
摘要
申请公布号
GB942480(A)
申请公布日期
1963.11.20
申请号
GB19610000064
申请日期
1961.01.02
申请人
SHINICHI ISEMURA
发明人
分类号
G11B3/40;G11B5/004;G11B21/04;G11B25/04
主分类号
G11B3/40
代理机构
代理人
主权项
地址
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