Fémek keménységmérői HO Ultrasound hardness testing device HO TN-GOLD TN GOLD 80 €690.00 HO HO 5K €5,290.00 HO HO 2K €5,290.00 HO HO 1K €5,290.00 HO HO 10K €5,290.00 TN-GOLD Gold tester TN-GOLD