BRUSHES FOR ELECTRIC DYNAMOS, MOTORS, AND ROTARY CONVERTERS; SELF-LUBRICATING BUSHINGS FOR LIGHT-DUTY MACHINERY, SHAFT SLEEVES; PILLOW BLOCKS; FLANGE BLOCKS; BEARINGS; SAW GUIDES AND CAM FOLLOWERS

PLATE MATERIAL HAVING A METALLIC SURFACE LAYER AND A BACKING LAYER OF NON-CONDUCTIVE MATERIAL AND CAPABLE OF BEING ENGRAVED AND USED AS A PRINTED CIRCUIT BOARD

ZINC ALLOY SHEETS CAPABLE OF BEING ENGRAVED AND USED IN THE PRODUCTION OF HALFTONE PRINTING PLATES