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发明名称
Improvements in or relating to stylus holders
摘要
申请公布号
GB583866(A)
申请公布日期
1947.01.01
申请号
GB19440003952
申请日期
1944.03.02
申请人
ARTHUR CHARLES HADDY;THE DECCA RECORD COMPANY LIMITED
发明人
分类号
H04R1/16
主分类号
H04R1/16
代理机构
代理人
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地址
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