UNE 58206:1981 CONTINUOUS MECHANICAL HANDLING EQUIPMENT FOR LOOSE BULK MATERIALS. TROUGHED BELT CONVEYORS (OTHER THAN PORTABLE CONVEYORS). BELT PULLEYS
1981UNE 58206:1981 CONTINUOUS MECHANICAL HANDLING EQUIPMENT FOR LOOSE BULK MATERIALS. TROUGHED BELT CONVEYORS (OTHER THAN PORTABLE CONVEYORS). BELT PULLEYS