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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
主权项
地址
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