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经营范围
发明名称
Improvements in or relating to a magnetic recording and reproducing head
摘要
申请公布号
GB611952(A)
申请公布日期
1948.11.05
申请号
GB19460014516
申请日期
1946.05.14
申请人
ARMOUR RESEARCH FOUNDATION
发明人
分类号
G11B5/03
主分类号
G11B5/03
代理机构
代理人
主权项
地址
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