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经营范围
发明名称
MAGNETIC TRANSDUCERS
摘要
申请公布号
GB1222865(A)
申请公布日期
1971.02.17
申请号
GB19690054899
申请日期
1968.09.24
申请人
THE NORTRONICS COMPANY INC.
发明人
分类号
G11B5/10
主分类号
G11B5/10
代理机构
代理人
主权项
地址
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