Reference Radiograph, ASTM E 446, Vol. 3, Steel castings, up to 50 mm, 2-4MV & Co 60 , 34 radiographs
Reference Radiograph, ASTM E 446, Vol. 3, Steel castings, up to 50 mm, 2-4MV & Co 60 , 34 radiographs
Reference Radiograph, ASTM E 446, Vol. 3, Steel castings, up to 50 mm, 2-4MV & Co 60 , 34 radiographs