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发明名称
Magnetic recorders
摘要
申请公布号
US2777698(A)
申请公布日期
1957.01.15
申请号
US19530346102
申请日期
1953.04.01
申请人
ALFONS KURZEDER
发明人
KURZEDER ALFONS
分类号
G11B5/00
主分类号
G11B5/00
代理机构
代理人
主权项
地址
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