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发明名称
MANUFACTURE OF STABLE MAGNETIC IRON PARTICLES
摘要
申请公布号
GB1293509(A)
申请公布日期
1972.10.18
申请号
GB19710026638
申请日期
1971.04.19
申请人
AMPEX CORPORATION
发明人
分类号
H01F1/06
主分类号
H01F1/06
代理机构
代理人
主权项
地址
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