Diamond cutting tools for machines; polycrystalline diamond cutters for machining of workpieces; glaziers' diamonds being parts of machines; diamond-pointed metal-cutting tools; polycrystalline diamond cutters for ready cutting of workpieces being machines; diamond drill bits for machines; grinding machines for the treatment of ceramics and metal; milling machines and grinding machines for the treatment of ceramics and metal; milling machines for the treatment of ceramics and metal; casting m...