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经营范围
发明名称
Magazine phonograph
摘要
申请公布号
US2486898(A)
申请公布日期
1949.11.01
申请号
US19430512184
申请日期
1943.11.29
申请人
AXEL HARALD HOLSTENSSON
发明人
WENNERBO ERIK;NOREN HELGE
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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