发明名称 Board eraser, has cloth wrapped around rollers, and brush on bottom of housing in surface-contact with cloth
摘要 <p>The board eraser has a housing (10) which comprises a round hole (14) on each side. A brush (20) is provided on the bottom of the housing. The brush lies in surface-contact with a cloth (30) wrapped around rollers (40) and an intermediate piece (60). A motor-driven suction cleaning device may be provided for removing dust.</p>
申请公布号 DE102004045074(A1) 申请公布日期 2006.03.30
申请号 DE20041045074 申请日期 2004.09.15
申请人 LAI, SHYI HU;LAI, SHYI HWANG 发明人 LAI, SHYI HU;LAI, SHYI HWANG
分类号 B43L21/00 主分类号 B43L21/00
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