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发明名称
Magnetic recording apparatus
摘要
申请公布号
US2496441(A)
申请公布日期
1950.02.07
申请号
US19460653238
申请日期
1946.03.09
申请人
ARMOUR RESEARCH FOUNDATION OF ILLINOIS INSTITUTE OF TECHNOLOGY
发明人
CAMRAS MARVIN
分类号
G11B5/03
主分类号
G11B5/03
代理机构
代理人
主权项
地址
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