发明名称 Racquet frame has defined, larger hitting area aspect ratio, with ballast components on either side
摘要 The total hitting area has maximum length (L1), and maximum transverse width (L2), of which the aspect ratio (L1/L2) is adjusted to 1.30-1.60. Ballast components (10) are located on either side.
申请公布号 FR2809320(A1) 申请公布日期 2001.11.30
申请号 FR20010006956 申请日期 2001.05.29
申请人 SUMITOMO RUBBER INDUSTRIES LTD 发明人 TAKEUCHI HIROYUKI;NIWA KUNIO
分类号 A63B49/02;A63B49/04;(IPC1-7):A63B49/02 主分类号 A63B49/02
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