Transporting mined material
A Standard patent application filed on 12 January 1987 credited to Doerr, Richard Earl
;
Brown, Harry J.
;
Roberts, Margaret A
Details
Application number :
67480
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Transporting mined material
Inventor :
Doerr, Richard Earl
;
Brown, Harry J.
;
Roberts, Margaret A