| 摘要 |
1,057,196. Toy building elements. METTOY CO. Ltd. May 14, 1964 [June 10, 1963], No. 20228/64. Heading A6S. Constructional building elements comprise a plurality of plates 1 for enclosing apertures in open frames formed by the releasable assembly of rod-like members 8, the said plates being releasably secured together in spaced parallel pairs by means of male and female coupling elements 2, 3, respectively, provided on one surface or the plates.
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