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经营范围
发明名称
Koffersprechmaschine
摘要
申请公布号
DE550793(C)
申请公布日期
1932.05.20
申请号
DE1929G077798D
申请日期
1929.10.30
申请人
THE GRAMOPHONE COMPANY, LIMITED
发明人
分类号
G11B25/04
主分类号
G11B25/04
代理机构
代理人
主权项
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