Timber support for mine roof
A Standard patent application filed on 18 November 1986 credited to McIlroy, Joseph Lee
;
Schoeman, Casper Johan
;
Blomkamp, Ronald Carl
Details
Application number :
65348
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Timber support for mine roof
Inventor :
McIlroy, Joseph Lee
;
Schoeman, Casper Johan
;
Blomkamp, Ronald Carl