00718nam 2200241zu 450 991100685580332120250328005705.097815231638301523163836(CKB)38098563500041(EXLCZ)993809856350004120250328|2025uuuu || |engur|||||||||||Specification for the Qualification of Welder Test FacilitiesAmerican Welding Society (AWS)20259781643223346 1643223348 American Welding Society1821781BOOK9911006855803321Specification for the Qualification of Welder Test Facilities4387669UNINA