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发明名称
Improvements in and relating to automatic and other gramophones
摘要
申请公布号
GB503195(A)
申请公布日期
1939.03.29
申请号
GB19370026381
申请日期
1937.09.29
申请人
GEORGE STANLEY MANN
发明人
分类号
G11B3/085;G11B3/12
主分类号
G11B3/085
代理机构
代理人
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地址
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