石油天然气工业 承压钢管无损检测方法 电阻焊和感应焊钢管焊缝纵向缺欠的超声波检测
石油天然气工业 承压钢管无损检测方法 电阻焊和感应焊钢管焊缝纵向缺欠的超声波检测
Petreoleum and natural gas industries—Non-destructive testing (NDT) methods of steel tubes for pressure purposes—Ultrasonic testing of the weld seam of electric resiistance and induction welded steel tubes for the detection of longitudinal imperfectio
发布日期:1999-08-09
实施日期:2000-04-01