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发明名称
Phonograph stylus
摘要
申请公布号
GB650918(A)
申请公布日期
1951.03.07
申请号
GB19480027064
申请日期
1948.10.18
申请人
WILLIAM DUBILIER
发明人
分类号
G11B3/48
主分类号
G11B3/48
代理机构
代理人
主权项
地址
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