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1.Hand-operated posthole borer for posts, saplings, vines and similar plants, provided with a screw, and with a cutting edge 失效
标题翻译: 用于柱子,树苗,葡萄藤和类似植物的手动钻孔钻孔机,配有螺丝和切割边公开(公告)号:US3401760A
公开(公告)日:1968-09-17
申请号:US53268666
申请日:1966-03-08
申请人: GIUSEPPINO BALLIANO
发明人: GIUSEPPINO BALLIANO
CPC分类号: A01C5/02 , E21B11/005