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发明名称
Record changing mechanism for phonographs
摘要
申请公布号
US2506555(A)
申请公布日期
1950.05.02
申请号
US19440547365
申请日期
1944.07.31
申请人
INDUSTRIAKTIEBOLAGET LUXOR
发明人
WENNERBO ERIK
分类号
G11B17/16
主分类号
G11B17/16
代理机构
代理人
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地址
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