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经营范围
发明名称
Improvements in or relating to the recording and reproducing of sound and like vibrations
摘要
申请公布号
GB411144(A)
申请公布日期
1934.05.28
申请号
GB19320026673
申请日期
1932.09.26
申请人
JAMES ARTHUR MILLER
发明人
分类号
G11B11/00
主分类号
G11B11/00
代理机构
代理人
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