文(wen)章來源：中國中鋼集團(tuan)公(gong)司 發布時間：2012-11-23
日(ri)前，中鋼(gang)衡重收(shou)到(dao)國家知(zhi)識產(chan)權局(ju)頒發的(de)4項實用新型(xing)專利(li)證書，分別是(shi)牙輪鉆機的(de)“平(ping)臺調平(ping)控(kong)(kong)制系(xi)統(tong)(tong)”、“孔(kong)深控(kong)(kong)制系(xi)統(tong)(tong)”、“加(jia)壓控(kong)(kong)制系(xi)統(tong)(tong)”、“給水控(kong)(kong)制系(xi)統(tong)(tong)”。這是(shi)中鋼(gang)衡重加(jia)強企業拳頭(tou)產(chan)品(pin)知(zhi)識產(chan)權的(de)培育和保護力度取得的(de)新成果。