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发明名称
EDUCATIONAL GAME AIDS FOR CULTIVATING MENTALLY CALCULATING ABILITY
摘要
申请公布号
JPS532126(A)
申请公布日期
1978.01.10
申请号
JP19760076683
申请日期
1976.06.28
申请人
NAGANO TAKAYOSHI
发明人
NAGANO TAKAYOSHI
分类号
G09B1/34;G09B3/00;G09B19/02
主分类号
G09B1/34
代理机构
代理人
主权项
地址
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