Test program on welding iron castings
American Welding Society
Test program on welding iron castings - - New York American Welding Society, 1965 - vi,27 p. 22 cm - BARC 1108 : part - 2 : 1981 .
0
Welding-Congresses
Iron-founding-Congresses
621.791 Ame
Test program on welding iron castings - - New York American Welding Society, 1965 - vi,27 p. 22 cm - BARC 1108 : part - 2 : 1981 .
0
Welding-Congresses
Iron-founding-Congresses
621.791 Ame