发明名称 GOLF CLUB
摘要 <p>PROBLEM TO BE SOLVED: To provide a golf club wherein the batting sound thereof can be easily caught. SOLUTION: A logarithmic damping factorδof the batting sound of the golf club is specified as: 0<δ<=0.02, and the maximum value of sound pressure level is set in a frequency region from 1000 Hz or more to less than 6000 Hz.</p>
申请公布号 JP2001112894(A) 申请公布日期 2001.04.24
申请号 JP19990298231 申请日期 1999.10.20
申请人 DAIWA SEIKO INC 发明人 KIMURA MASATO
分类号 A63B53/04;(IPC1-7):A63B53/04 主分类号 A63B53/04
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