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经营范围
发明名称
MAGNETIC TOY
摘要
The magnetic toy is based on the rotation of a permanent magnet (3) on a ferromagnetic rod (2) with the concurrent action of gravitation. The permanent magnet (3) is equipped with a hole (4) through which the ferromagnetic rod (3) is slotted.
申请公布号
CZ278368(B6)
申请公布日期
1993.12.15
申请号
CS19890001892
申请日期
1989.03.28
申请人
MACHALEK FRANTISEK
发明人
MACHALEK FRANTISEK
分类号
A63H33/26;(IPC1-7):A63H33/26
主分类号
A63H33/26
代理机构
代理人
主权项
地址
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