THE CONSTRUCTIVE ANALYSIS OF THE BORER HEADS FOR THE ROTATIVE BORING OF SOFT ROCKS.

Autor: COZMA, BOGDAN-ZENO1 cbogdy@netlog.ro, URDEA, GHEORGHE-BOGDAN1, DUMITRESCU, IOSIF2
Zdroj: Annals of the University of Petrosani Mechanical Engineering. 2017, Vol. 19, p23-30. 8p.
Databáze: Academic Search Ultimate