used atrump cnc bed milling machine B6FC used atrump cnc bed milling machine B6FC used atrump cnc bed milling machine B6FC used atrump cnc bed milling machine B6FC used atrump cnc bed milling machine B6FC used atrump cnc bed milling machine B6FC used atrump cnc bed milling machine B6FC used atrump cnc bed milling machine B6FC used atrump cnc bed milling machine B6FC used atrump cnc bed milling machine B6FC used atrump cnc bed milling machine B6FC used atrump cnc bed milling machine B6FC