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经营范围
发明名称
Lernmaterialien mit graphischer Selbstkontrolle
摘要
申请公布号
DE29613997(U1)
申请公布日期
1996.11.07
申请号
DE19962013997U
申请日期
1996.08.13
申请人
FLOER, JUERGEN, PROF. DR., 58313 HERDECKE, DE
发明人
分类号
G09B3/02;G09B19/02;(IPC1-7):G09B3/04;A63F3/02
主分类号
G09B3/02
代理机构
代理人
主权项
地址
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