发明名称 SHARPENING DEVICE
摘要 A sharpening device for sharpening metal edges of skiis having a base portion and a handle and guide portion mounted at a right angle on the base portion. The base portion contains an elongated opening for receipt of a file which has work surfaces extending above and below the base portion.
申请公布号 US3693219(A) 申请公布日期 1972.09.26
申请号 USD3693219 申请日期 1971.03.22
申请人 DOUGLASS MFG. CO. 发明人 DOUGLASS R. FALKENBERG
分类号 A63C11/06;B23D71/00;(IPC1-7):B23D71/00 主分类号 A63C11/06
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