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经营范围
发明名称
Combination recording heads
摘要
申请公布号
US2889414(A)
申请公布日期
1959.06.02
申请号
US19540403127
申请日期
1954.01.11
申请人
GENERAL DYNAMICS CORPORATION
发明人
GRATIAN JOSEPH W.;LATCHFORD WILLIAM B.
分类号
G11B5/127;G11B5/23
主分类号
G11B5/127
代理机构
代理人
主权项
地址
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