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经营范围
发明名称
Improvements in or relating to magnetic recording heads
摘要
申请公布号
GB902063(A)
申请公布日期
1962.07.25
申请号
GB19610018144
申请日期
1961.05.18
申请人
TELEFUNKEN PATENTVERWERTUNGS-G.M.B.H.
发明人
HARKENSEE HAROLD
分类号
G11B5/235
主分类号
G11B5/235
代理机构
代理人
主权项
地址
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