135793 ⎘
Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam Slitting machines guided solely by hand and either carried by hand or mounted on supports
HIGH POWER LASER TUNNELING MINING AND CONSTRUCTION EQUIPMENT AND METHODS OF USE
#2High power laser tunneling mining and construction equipment and methods of use
#3High power laser tunneling mining and construction equipment and methods of use