发明名称 SELF-RECORDING GOLF BALL AND CUP SYSTEM
摘要 <p>The present invention is directed to golf balls (10), golf ball cups (100), and golf ball reading devices designed to record the number of strokes received by a golf ball (10) during play between successive rounds and verify the original ball-in-play.</p>
申请公布号 WO2003103781(P1) 申请公布日期 2003.12.18
申请号 US2003018082 申请日期 2003.06.06
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