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经营范围
发明名称
Improvements in and relating to the magnetic recording and reproducing of sound and similar vibrations
摘要
申请公布号
GB625563(A)
申请公布日期
1949.06.29
申请号
GB19480018154
申请日期
1946.01.08
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
G11B5/127;G11B5/255
主分类号
G11B5/127
代理机构
代理人
主权项
地址
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