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经营范围
发明名称
Aufklappbarer Sprechkopf fuer Magnetogramme
摘要
申请公布号
DE631207(C)
申请公布日期
1936.06.15
申请号
DENDATL086489D
申请日期
申请人
C. LORENZ AKT.-GES.
发明人
分类号
G11B5/48
主分类号
G11B5/48
代理机构
代理人
主权项
地址
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