Smirnov, V.
Boring practice - 1st ed. - Moscow Mir Publishers 1962 - 322 p. ill. 21 cm.
Boring Machines : Workshop
621.945 / SMI/1962
Boring practice - 1st ed. - Moscow Mir Publishers 1962 - 322 p. ill. 21 cm.
Boring Machines : Workshop
621.945 / SMI/1962