garywu 发表于 2015-10-13 17:36:03

Ball Retainer Chain, a Method of making the same, and a Linear Guide Apparatus

US 8,297,843 B2
Ball Retainer Chain, a Method of making the same, and a Linear Guide Apparatus

admin 发表于 2015-10-16 16:36:34

谢谢您的分享,金币已奖励!
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