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Improvement to tennis racket, method for stringing tennis rackets and theapplication of string protection device
Improvement to tennis racket, method for stringing tennis rackets and theapplication of string protection device
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机译:网球拍的改进,网球拍的穿线方法及线保护装置的应用
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摘要
Tennis racket, in keeping with the invention, with plastic tubes (5) fittedaround the central strings (3,7) in the so-called sweet spot zone, andpossibly outside this zone. The preferred system is with approximately 6-10plastic tubes (5) fitted to the central strings.IMAGE
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