AENOR UNE-EN ISO 17777:2016 Welding consumables. Coated electrodes for manual arc welding of copper and copper alloys. Classification. (ISO 17777:2016).
2016AENOR UNE-EN ISO 17777:2016 Welding consumables. Coated electrodes for manual arc welding of copper and copper alloys. Classification. (ISO 17777:2016).