WOODWORKING MACHINES; TOOL RECONDITIONING MACHINES; SETTING, SHAPING, PLANING AND SHARPENING MACHINES-NAMELY, SETTING MACHINES FOR SHARPENING THE BLADE POINTS OF SWORDS; MACHINES FOR REPAIRING CARBIDE TIP CIRCULAR SAW BLADES; MACHINES FOR HARDENING TOOTH POINTS OF SAW BLADES BY HIGH FREQUENCY CURRENTS; BRAZING MACHINES FOR REPAIRING DAMAGED CARBIDE TIP TEETH OF A SAW BLADE BY BRAZING; STELLITE APPLYING MACHINES FOR COATING TOOTH POINTS OF SAW BLADES; PLANAR KNIFE GRINDING MACHINES, SAW BLADE GUIDES AND MACHINE PARTS THEREOF