Rock drilling tool, drill bit and a method of transferring percussive energy
A Standard patent application filed on 21 March 1996 credited to Beccu, Rainer
;
Larsson, Kenneth
Details
Application number :
51660
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Rock drilling tool, drill bit and a method of transferring percussive energy