2021DIN EN ISO 13918:2021-12 Welding - Studs and ceramic ferrules for arc stud welding (ISO 13918:2017 + Amd 1:2021); German version EN ISO 13918:2018 + A1:2021
2021DIN EN ISO 13918:2021 Welding - Studs and ceramic ferrules for arc stud welding (ISO 13918:2017 + Amd 1:2021); German version EN ISO 13918:2018 + A1:2021