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发明名称
GRAMOPHONE
摘要
申请公布号
CA410743(A)
申请公布日期
1943.02.23
申请号
CAD410743
申请日期
申请人
THE GARRARD ENGINEERING AND MANUFACTURING COMPANYLIMITED
发明人
FRANCIS JOHN OFFEN
分类号
主分类号
代理机构
代理人
主权项
地址
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