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发明名称
Lehrmittel zur Erlernung des Schreibverlaufes von Schriftzeichen
摘要
申请公布号
CH529405(A)
申请公布日期
1972.10.15
申请号
CH19700013843
申请日期
1970.09.17
申请人
LOELIGER,ERNST
发明人
LOELIGER,ERNST
分类号
G09B11/00;(IPC1-7):G09B11/00
主分类号
G09B11/00
代理机构
代理人
主权项
地址
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