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经营范围
发明名称
Thermomagnetic Recording
摘要
申请公布号
GB1192886(A)
申请公布日期
1970.05.20
申请号
GB19680021849
申请日期
1968.05.08
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
分类号
G03G19/00
主分类号
G03G19/00
代理机构
代理人
主权项
地址
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