Selection and justification of the parameters of a cutting head with pivoting hydromechanical cutters for efficient breaking of hard rocks by selective-action roadheaders

Tula

203 pp.

Selection and justification of the parameters of a cutting head with pivoting hydromechanical cutters for efficient breaking of hard rocks by selective-action roadheaders — Katagarov, Nikolay Nikolaevich — 1993 — Russian Dissertation Library