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Testbogen mit aufgedruckten Fragen und Auswahlantworten zur Leistungskontrolle und einen Auswertungsbogen hierfuer
摘要
申请公布号
DE1918199(A1)
申请公布日期
1970.10.15
申请号
DE19691918199
申请日期
1969.04.10
申请人
SAUPE,SIEGFRIED
发明人
SAUPE,SIEGFRIED
分类号
G09B3/08
主分类号
G09B3/08
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