Pencil sharpener, with tow V-shape sharp edges, for sharpening the lead of a propelling pencil. The sharpener is installed with tow knives, each of which is made of a rectangle metal plank, which is folded, and cut to a V-shape edge at the hem.
申请公布号
AU2902200(A)
申请公布日期
2001.06.25
申请号
AU20000029022
申请日期
2000.03.01
申请人
DIANJUN WANG;GUOLING WANG;GUOFENG WANG;GUOYUE WANG
发明人
DIANJUN WANG;GUOLING WANG;GUOFENG WANG;GUOYUE WANG