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发明名称
Improvements relating to magnetic sound heads
摘要
申请公布号
GB802481(A)
申请公布日期
1958.10.08
申请号
GB19540005315
申请日期
1954.02.23
申请人
PAUL ALLEN MARRIOTT
发明人
分类号
G11B5/10;G11B5/17
主分类号
G11B5/10
代理机构
代理人
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