"0, . "
engineering industry training board: modules fabrication engineering practices/ - ed. - . - "66, 8p.; 26 cm."
0 85083 187 3
T166 / .E54 1973
engineering industry training board: modules fabrication engineering practices/ - ed. - . - "66, 8p.; 26 cm."
0 85083 187 3
T166 / .E54 1973