发明名称 Scratch surface remover
摘要 A mechanical device for scraping cover material from underlying information on cards such as lottery tickets. The device uses a power driven wire brush and includes a collector for the material scraped from the cards.
申请公布号 US5253383(A) 申请公布日期 1993.10.19
申请号 US19920864936 申请日期 1992.04.07
申请人 CLARK, RODNEY D. 发明人 CLARK, RODNEY D.
分类号 A63F3/06;A63F9/00;A63F11/00;B08B1/04;(IPC1-7):A46B13/02 主分类号 A63F3/06
代理机构 代理人
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