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经营范围
发明名称
A magnetic head
摘要
申请公布号
GB831393(A)
申请公布日期
1960.03.30
申请号
GB19570038180
申请日期
1957.12.09
申请人
WILLIAM DRIVER MOEHRING;CHARLES FREDERICK MURPHY
发明人
分类号
G11B5/187
主分类号
G11B5/187
代理机构
代理人
主权项
地址
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