INDIAN STANDARD SPECIFICATION FOR PULLEYS FOR BELT CONVEYORS. IS : 8531 - 1986
BUREAU OF INDIAN STA
INDIAN STANDARD SPECIFICATION FOR PULLEYS FOR BELT CONVEYORS. IS : 8531 - 1986 - 3rd rep. ed. 1998 - NEW DELHI BUREAU OF INDIAN STANDARDS. - 3
PULLEYS FOR BELT CONVEYORS
621 / BUR
INDIAN STANDARD SPECIFICATION FOR PULLEYS FOR BELT CONVEYORS. IS : 8531 - 1986 - 3rd rep. ed. 1998 - NEW DELHI BUREAU OF INDIAN STANDARDS. - 3
PULLEYS FOR BELT CONVEYORS
621 / BUR