00710nam 2200241zu 450 991100685990332120250328005704.09781523163816152316381X(CKB)38098563700041(EXLCZ)993809856370004120250328|2025uuuu || |engur|||||||||||Specification for the Qualification of Welding InspectorsAmerican Welding Society (AWS)20259781643223360 1643223364 American Welding Society1821781BOOK9911006859903321Specification for the Qualification of Welding Inspectors4387686UNINA