发明授权
US3595596A Safety ski poles provided with snowheads 失效
安全滑雪提供雪橇

Safety ski poles provided with snowheads
摘要:
A pair of ski pole snowheads with one snowhead having a bore between the center and the outer edge of the snowhead with the other snowhead having elongated aperture extending inwardly from the outer edge of the snowhead. The diameter of the bore and the inside width of the aperture match the diameter of the ski pole tube adjacent to the snowhead.
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