BS EN ISO 20769-2. Non-destructive testing. Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays. Part 2. Double wall radiographic inspection— 41 стр.
BS EN ISO 20769-1. Non-destructive testing. Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays. Part 1. Tangential radiographic inspection— 54 стр.
BS ISO 20144. Fibre-reinforced plastic composites. Standard qualification plan (SQP) for composite materials, including reduced (RQP) and extended (EQP) schemes— 35 стр.