"thetford, e w. "
si ordinary level engineering drawing solutions 2: / e.w. thetford - 1 ed. - uk : oliver and boyd 1974. - ", 126p.; 30 cm."
0 05 002400 0
T353 / .T44 1972
si ordinary level engineering drawing solutions 2: / e.w. thetford - 1 ed. - uk : oliver and boyd 1974. - ", 126p.; 30 cm."
0 05 002400 0
T353 / .T44 1972