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经营范围
发明名称
MAGNETBANDKASSETTE
摘要
申请公布号
DE2065981(A1)
申请公布日期
1977.11.03
申请号
DE19702065981
申请日期
1970.09.21
申请人
SONY CORP., TOKIO
发明人
分类号
G11B15/665;G11B23/04;G11B23/093;(IPC1-7):G11B23/04
主分类号
G11B15/665
代理机构
代理人
主权项
地址
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