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发明名称
Apparatus for making duplicate magnetic records
摘要
申请公布号
US2918537(A)
申请公布日期
1959.12.22
申请号
US19570648589
申请日期
1957.03.26
申请人
ARMOUR RESEARCH FOUNDATION OF ILLINOIS INSTITUTE OF TECHNOLOGY
发明人
CAMRAS MARVIN
分类号
G11B5/86
主分类号
G11B5/86
代理机构
代理人
主权项
地址
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