73515111
Dec 24, 1984
Feb 11, 1986
MACHINES FOR CUTTING OR CRUSHING SURFACE MINERALS, DRIVES FOR SUCH MACHINES, CONTROLLERS FOR THE DRIVE OF THE HAULAGE BOX OR RUNNING GEAR OF MACHINES FOR CUTTING OR CRUSHING SURFACE MINERAL
MachineryELECTRONIC CONTROLS FOR MACHINES FOR CUTTING AND CRUSHING SURFACE MINERALS
Electrical and Scientific Apparatus