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经营范围
发明名称
Lehrgerät
摘要
申请公布号
CH480699(A)
申请公布日期
1969.10.31
申请号
CH19680004388
申请日期
1968.03.25
申请人
EUMAR-ANSTALT
发明人
SCHEIDT,JULIUS VOM
分类号
G09B5/06;(IPC1-7):G09B7/08
主分类号
G09B5/06
代理机构
代理人
主权项
地址
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