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发明名称
Magnetic track
摘要
申请公布号
US2830207(A)
申请公布日期
1958.04.08
申请号
US19550479399
申请日期
1955.01.03
申请人
LIBRASCOPE, INCORPORATED
发明人
CLARK ROBERT W.
分类号
G11B5/004;H03M1/00
主分类号
G11B5/004
代理机构
代理人
主权项
地址
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