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经营范围
发明名称
Magnetic recording and reproducing circuits
摘要
申请公布号
US2641655(A)
申请公布日期
1953.06.09
申请号
US19470787644
申请日期
1947.11.24
申请人
THE INTERNATIONAL ELECTRONICS COMPANY
发明人
BOBB LLOYD J.
分类号
G11B23/00
主分类号
G11B23/00
代理机构
代理人
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地址
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