| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To attenuate the resistance of grass in a stroke of putting. <P>SOLUTION: The height of a leading edge 3 from a sole 4 is formed within 3-24.35 mm and a chamfer part 5 is formed between the sole 4 and the leading edge 3. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
