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发明名称
Bifilar magnetic recording system
摘要
申请公布号
US2481904(A)
申请公布日期
1949.09.13
申请号
US19450583316
申请日期
1945.03.17
申请人
ARMOUR RESEARCH FOUNDATION OF ILLINOIS INSTITUTE OF TECHNOLOGY
发明人
CAMRAS MARVIN
分类号
G01D15/24;G11B25/08
主分类号
G01D15/24
代理机构
代理人
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地址
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