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发明名称
Improvements in or relating to driving means for talking machines and other apparatus
摘要
申请公布号
GB329165(A)
申请公布日期
1930.05.15
申请号
GB19290015183
申请日期
1929.05.15
申请人
CECIL JOHN BARNETT
发明人
分类号
G11B17/00
主分类号
G11B17/00
代理机构
代理人
主权项
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