Method and apparatus for controlling the head of a drilling or core-drilling device
A Standard patent application filed on 20 July 1994 credited to Langeveld, Kees
;
Lamine, Etienne
Details
Application number :
73715
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Method and apparatus for controlling the head of a drilling or core-drilling device