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发明名称
AN EDUCATIONAL TOY FOR DEVELOPING MECHANICAL ABILITY
摘要
申请公布号
IL30149(A)
申请公布日期
1974.07.31
申请号
IL19680030149
申请日期
1968.06.09
申请人
SELA R
发明人
分类号
A63G7/00;(IPC1-7):A63G7/00
主分类号
A63G7/00
代理机构
代理人
主权项
地址
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