Len Mrachek
Basic mathematics for welding /Len Mrachek - Massachusetts Breton Publishers 1982 - xii, 369 p.
534011101
Welding-mathematics
512.12 / MRA
Basic mathematics for welding /Len Mrachek - Massachusetts Breton Publishers 1982 - xii, 369 p.
534011101
Welding-mathematics
512.12 / MRA