Electric polishing machines and apparatus; machine tools; speed governors for machines, engines and motors; tools [machine parts]; electric polishers for industrial use; speed changers [machine parts]; abrasive discs for motorized sanders; industrial sanders; graders [earth-moving machines]; machines and machine tools; abrasive belts for motorized sanders; speed controllers for machines; speed controllers for motors; polishing and calibrating heads (machines) for marble, granite, stone, ceramics and the like, and their parts; mechanical and electronic gears, gearmotors and speed variators, and their parts; polishing machines; calibrating and polishing machines for marble, granite, stone materials in general, ceramics and the like, and their parts; calibrating and polishing machines for marble, stone, granite, ceramics and the like, and their parts; polishing and calibrating heads for marble, granite, stone materials in general, ceramics and the like, and their parts.
Machinery