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发明名称
Sound recording system
摘要
申请公布号
GB930977(A)
申请公布日期
1963.07.10
申请号
GB19610004051
申请日期
1961.02.02
申请人
YOSHIRO NAKAMATSU
发明人
分类号
G11B5/80;G11B21/04;G11B25/04
主分类号
G11B5/80
代理机构
代理人
主权项
地址
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