Roof bolts for use in mines, a method for their production and method for their installation
A Standard patent application filed on 11 September 2002 credited to Mills, Peter Shelley
;
Dever, Kerry Lee
Details
Application number :
2002334064
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Roof bolts for use in mines, a method for their production and method for their installation