Non-destructive testing of steel tubes -- Part 6: Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections— 15 стр.
Non-destructive testing of steel tubes -- Part 6: Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections— 22 стр.
Non-destructive testing of steel tubes -- Part 6: Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections— 22 стр.