发明名称 PORTABLE GOLF PUTTING TRAINING AID
摘要 <p>Multiple molded polymeric units (20) are joined together by side mounted fastening mechanisms (30). Each polymeric unit (20) is molded as an integral structure with a smooth contoured top surface (38) and a bottom grid like portion (24).</p>
申请公布号 WO2003059471(A1) 申请公布日期 2003.07.24
申请号 US2003000274 申请日期 2003.01.07
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