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发明名称
Spiel zum Rechnen mit Zahlen 1-100
摘要
申请公布号
CH313396(A)
申请公布日期
1956.04.15
申请号
CHD313396
申请日期
1953.02.06
申请人
URBEN,OTTO
发明人
URBEN,OTTO
分类号
A63F9/18;G09B19/02
主分类号
A63F9/18
代理机构
代理人
主权项
地址
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