The invention relates to a drilling apparatus which is held firmly on the workpiece by means of feet, and which has a step-down transmission for easier manual feeding.
申请公布号
US2008056833(A1)
申请公布日期
2008.03.06
申请号
US20070837258
申请日期
2007.08.10
申请人
MV MARKETING UND VERTRIEBS-GMBH & CO. KG, WIELANDER + SCHILL
