发明名称 YO-YO TOY
摘要 <p>The invention relates to a yo-yo toy (1) that is assembled from hemispheres (2 and 3) into which the yo-yo (4) is inserted together with the axle (8) thereof. Holding elements (17) for retaining the string during the free running of the yo-yo are provided at the outlet opening (16) for the string (30) of the yo-yo.</p>
申请公布号 CA2875887(A1) 申请公布日期 2013.12.12
申请号 CA20122875887 申请日期 2012.06.07
申请人 LIMMAT PRODUKT GMBH 发明人 ROBUSTELLI, URS;ALTENBURGER, GREGOR
分类号 A63H1/30 主分类号 A63H1/30
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