| 摘要 |
PROBLEM TO BE SOLVED: To provide a golf putter practice device by which a player is improved in the mentality that he/she can strike a ball with confidence by striking a ball with a putter to a target to aim at the target without fail. SOLUTION: This golf putter practice device is directed to a target. A player strikes a ball on a U-section groove with a putter club. Thus the ball rolls on a prescribed distance straight to the target without fail. COPYRIGHT: (C)2006,JPO&NCIPI
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