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经营范围
发明名称
Stahlton-Aufnahme- und -Wiedergabegerät.
摘要
申请公布号
CH278642(A)
申请公布日期
1951.10.31
申请号
CHD278642
申请日期
1949.12.20
申请人
SENN,JEAN
发明人
SENN,JEAN
分类号
G11B5/00
主分类号
G11B5/00
代理机构
代理人
主权项
地址
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