发明名称 GOLF CLUB HEAD
摘要 A golf club head of this invention includes a face, a plurality of score line grooves formed on the face, and a plurality of striations formed on the face. The angle formed by an arrangement direction of the plurality of striations and the score line grooves is between 40 degrees and 70 degrees, inclusive, as viewed clockwise from a toe side end of the score line grooves.
申请公布号 US2010261545(A1) 申请公布日期 2010.10.14
申请号 US20100797004 申请日期 2010.06.09
申请人 BRIDGESTONE SPORTS CO., LTD. 发明人 BAN WATARU
分类号 A63B53/04 主分类号 A63B53/04
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