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发明名称
GRAMOPHONE TURNTABLE BEARING
摘要
申请公布号
PL107814(B1)
申请公布日期
1980.03.31
申请号
PL19770202615
申请日期
1977.12.01
申请人
发明人
分类号
G11B;G11B17/02;(IPC1-7):G11B17/02
主分类号
G11B
代理机构
代理人
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地址
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