Gorgon, T.W.
Handbook for estimating machining times - 3d rev. ed. - London Machinery Publishing Co. 1964 - 164 p.
621.9:65.015.2 / G6
Handbook for estimating machining times - 3d rev. ed. - London Machinery Publishing Co. 1964 - 164 p.
621.9:65.015.2 / G6