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发明名称
Phonograph turntable
摘要
申请公布号
US1823533(A)
申请公布日期
1931.09.15
申请号
US19300487935
申请日期
1930.10.11
申请人
DIEHL MANUFACTURING COMPANY
发明人
DIEHL FREDERICK
分类号
G11B33/02
主分类号
G11B33/02
代理机构
代理人
主权项
地址
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