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发明名称
Improvements in or relating to gramophones
摘要
申请公布号
GB419205(A)
申请公布日期
1934.11.07
申请号
GB19330003745
申请日期
1933.02.07
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;HENRY CHARLES EDWARD JACOBY
发明人
分类号
G11B17/02
主分类号
G11B17/02
代理机构
代理人
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地址
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