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经营范围
发明名称
GRAMOPHONE RECORD
摘要
申请公布号
CA347790(A)
申请公布日期
1935.01.22
申请号
CAD347790
申请日期
申请人
ALFRED VAN RAPP
发明人
WILLY O. HERRMANN
分类号
主分类号
代理机构
代理人
主权项
地址
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