EXERCISES IN MACHINE DRAWING.
BOGOLYUBOV, S.K.\
EXERCISES IN MACHINE DRAWING. - - MIR PUB, MOSCOW, 1975 - p.322, 26cm - .
6
Machinery-Drawings-Problems, exercises, etc.
621.7:744 Bog
EXERCISES IN MACHINE DRAWING. - - MIR PUB, MOSCOW, 1975 - p.322, 26cm - .
6
Machinery-Drawings-Problems, exercises, etc.
621.7:744 Bog