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经营范围
发明名称
Magnetic transducer
摘要
申请公布号
US2913535(A)
申请公布日期
1959.11.17
申请号
US19530400543
申请日期
1953.12.28
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
HOLMAN WESLEY A.
分类号
G11B5/10;G11B5/147;G11B5/17
主分类号
G11B5/10
代理机构
代理人
主权项
地址
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