BS EN ISO 12153
BS EN ISO 12153 (Welding consumables - Tubular cored electrodes for gas shielded and non-gas shielded metal arc welding of nickel and nickel alloys - Classification)· B.S. (イギリス) · 21 材料
BS EN ISO 12153 (Welding consumables - Tubular cored electrodes for gas shielded and non-gas shielded metal arc welding of nickel and nickel alloys - Classification)· B.S. (イギリス) · 21 材料