足跟痛治疗方法专利名称：Utility tool 发明人：David C. Walsh 申请号：US07/983435申请日：19921202波旁酒
广州有什么好玩的公开号：US05337523A 公开日：
钟元常
19940816
专利内容由知识产权出版社提供
三角函数诱导公式表格汇总
侍御史摘要：A hand-held sander having inrts that interchangeably fit a holder. The inrts have an exterior surface for supporting sandpaper or the like, and that surface is contoured to match a particular surface detail of a vehicle body or other workpiece. The holder includes a shell having a somewhat U-s给我一个爱的理由
haped cross-ction defining a slot along one edge, and the inrt has a spline that slides within the slot when removing or installing the inrt. Either or both ends of that slot are lectively enlarged by means of a cam attached to an end member of the holder.赏花灯作文
申请人：WALSH; DAVID C.
代理机构：Jones & Askew
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