New Mining Tools and Methods for Roadheader Mining Heads by Krzysztof Kotwica (E
141,04 €
By Krzysztof Kotwica. Author Krzysztof Kotwica. These solutions should make it possible to increase the durability of cutting tools. The final part of the book explains a new mining head solution with mini-disk tools and a complex motion trajectory.
Jetzt bei Ebay:
