"somsky, p . "
Basic welding: / P.. Somsky - 1 ed. - uk : macmillan 1986. - "viii, 88p.; 21 cm."
0-333-42610-x
welding
TK4660 / .S66 1986
Basic welding: / P.. Somsky - 1 ed. - uk : macmillan 1986. - "viii, 88p.; 21 cm."
0-333-42610-x
welding
TK4660 / .S66 1986