发明名称 Ball play racket, especially tennis racket
摘要 The invention relates to a ball sport racquet, in particular tennis racquet, with a racquet frame, which is manufactured as one piece with a racquet head frame supporting the racquet strings and with a racquet neck or racquet shaft, wherein the racquet stringing is formed by crisscrossing strings or string sections forming a string bed and held on the racquet frame head.
申请公布号 US2006205543(A1) 申请公布日期 2006.09.14
申请号 US20060366823 申请日期 2006.03.03
申请人 SCHWENGER RALF 发明人 SCHWENGER RALF
分类号 A63B49/14 主分类号 A63B49/14
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