GB/T 7735-2016无缝和焊接(埋弧焊除外)钢管缺欠的自动涡流检测国家标准
英文:Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of impe...
英文:Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of impe...