Non-destructive testing of steel tubes. Radiographic testing of the weld seam of automatic fusion arc welded steel tubes for the detection of imperfections— 20 стр.
Windows and doors. Product standard, performance characteristics. Windows and external pedestrian doorsets without resistance to fire and/or smoke leakage characteristics— 76 стр.
Non-destructive testing of steel tubes. Automatic ultrasonic testing of the area adjacent to the weld seam of welded steel tubes for the detection of laminar imperfections— 16 стр.