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发明名称
Magazine type magnetic recording apparatus
摘要
申请公布号
US2480742(A)
申请公布日期
1949.08.30
申请号
US19450596705
申请日期
1945.05.30
申请人
C. G. CONN, LTD.
发明人
KENT EARLE L.
分类号
G11B25/08
主分类号
G11B25/08
代理机构
代理人
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地址
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