GB/T 37910.2-2019焊缝无损检测射线检测验收等级第2部分:铝及铝合金国家标准
英文:Non-destructive testing of welds — Acceptance levels for radiographic testing — Part 2: Aluminium and its alloys GB/T...
英文:Non-destructive testing of welds — Acceptance levels for radiographic testing — Part 2: Aluminium and its alloys GB/T...