发明名称 Sports surface partic for judo is a two ply elastic laminate - with the more elastic ply underneath
摘要 <p>A sports surface or mat, particularly for judo comprises a laminate of two plies of material having different elasticities, the ply having the greatest elasticity being underneath. The surface reduces the likelihood of an accident without the expense of sprung flooring.</p>
申请公布号 DE2649789(A1) 申请公布日期 1977.05.18
申请号 DE19762649789 申请日期 1976.10.29
申请人 S.A. PRB 发明人 EVERS,GUY
分类号 A63C19/04;(IPC1-7):63B5/18 主分类号 A63C19/04
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