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经营范围
发明名称
Improvements in or relating to apparatus for the magnetic recording and reproducing of sound
摘要
申请公布号
GB1029760(A)
申请公布日期
1966.05.18
申请号
GB19630046050
申请日期
1963.11.21
申请人
V-M CORPORATION
发明人
分类号
G11B5/02;G11B15/34;G11B25/04
主分类号
G11B5/02
代理机构
代理人
主权项
地址
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