CSN EN ISO 12153
CSN EN ISO 12153 (Welding consumables - Tubular cored electrodes for gas shielded and non-gas shielded metal arc welding of nickel and nickel alloys - Classification)· CSN (チェコ共和国) · 21 材料
CSN EN ISO 12153 (Welding consumables - Tubular cored electrodes for gas shielded and non-gas shielded metal arc welding of nickel and nickel alloys - Classification)· CSN (チェコ共和国) · 21 材料