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发明名称
THREE-DIMENSIONAL PUZZLE
摘要
申请公布号
SU1729545(A1)
申请公布日期
1992.04.30
申请号
SU19894771500
申请日期
1989.12.20
申请人
GREBENEV ALEKSANDR,SU
发明人
GREBENEV ALEKSANDR I,SU
分类号
A63F9/08
主分类号
A63F9/08
代理机构
代理人
主权项
地址
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