135849 ⎘
Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for slewing parts of the machines
Cutting assembly for longwall mining system
#2Mining machine with articulating boom and independent material handling system
#3Vertical lifting type drum coal-mining machine without rocker arm
#4METHOD FOR ARRANGING ROLLING-FRICTION STRETCHING AND RETRACTION BASED ROLLING STROKE SECTIONS OF A ROCKER ARM IN PARALLEL, AND AN EXCAVATOR OR LOADER COMPRISING A ROCKER ARM HAVING ROLLING STROKE SECTIONS ARRANGED IN PARALLEL
#5Underground mining machine