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经营范围
发明名称
Automatic phonograph
摘要
申请公布号
US2526513(A)
申请公布日期
1950.10.17
申请号
US19460657849
申请日期
1946.03.28
申请人
RAYMOND SOMMA
发明人
SOMMA RAYMOND
分类号
G11B17/16
主分类号
G11B17/16
代理机构
代理人
主权项
地址
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