发明名称 Toy with transparent sidewall - has upper and lower chambers with passages through partition in between which material flows
摘要 <p>The toy comprises two or more chambers one above the other and with one or more sidewalls of transparent material. These are separated by a partition (3) containing a number of passages through it (8) at intervals. The low-level chamber contains a material which, on inversion, flows through the passages into the other chamber now at the bottom. There can be two or more sets of chambers alongside and one above the other, separated from each other by upright transparent walls and containing materials of different colours.</p>
申请公布号 NL8401715(A) 申请公布日期 1985.12.16
申请号 NL19840001715 申请日期 1984.05.29
申请人 PETER JAMES MARSHALL TE AMSTERDAM. 发明人
分类号 A63H33/22;(IPC1-7):A63H33/22 主分类号 A63H33/22
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