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发明名称
THREE-DIMENSIONAL PUZZLE
摘要
申请公布号
SU1565488(A1)
申请公布日期
1990.05.23
申请号
SU19874321208
申请日期
1987.10.27
申请人
LITOVCHIN BORIS D,SU
发明人
LITOVCHIN BORIS D,SU
分类号
A63F9/06
主分类号
A63F9/06
代理机构
代理人
主权项
地址
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