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经营范围
发明名称
Magazin-Sprechmaschine
摘要
申请公布号
DE846628(C)
申请公布日期
1952.08.14
申请号
DE1950K008543
申请日期
1950.12.31
申请人
KNECHT EMIL
发明人
KNECHT EMIL
分类号
G11B17/18
主分类号
G11B17/18
代理机构
代理人
主权项
地址
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