Method and machine for excavating drifts, tunnels, stopes, caverns or the like
A Standard patent application filed on 29 April 1991 credited to Piefenbrink, Wilfried
;
Hamburger, Hermann
;
Weber, Walter
Details
Application number :
77658
Application type :
Standard
Application status :
EXPIRED
Under opposition :
No
Proceeding type :
Invention title :
Method and machine for excavating drifts, tunnels, stopes, caverns or the like
Inventor :
Piefenbrink, Wilfried
;
Hamburger, Hermann
;
Weber, Walter