发明授权
US4953861A Ball hitting sports tool 失效
球打运动工具

Ball hitting sports tool
摘要:
A ball hitting sports tool has a ball hitting part and a grip part which is integrated with the ball hitting part through a stem and at least one of the ball hitting part, stem and grip part is provided with a buffer part in which a gel material with a penetration value of approximately 50 to 200 is used as a buffer material.
公开/授权文献
信息查询
0/0