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经营范围
发明名称
Production of sound records
摘要
申请公布号
US2352032(A)
申请公布日期
1944.06.20
申请号
US19420431266
申请日期
1942.02.17
申请人
FRITZ STEUBE
发明人
STEUBE FRITZ
分类号
G03C5/14
主分类号
G03C5/14
代理机构
代理人
主权项
地址
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