Diamond cutting tools for machines; polycrystalline diamond cutters for machining of workpieces; glaziers' diamonds [parts of machines]; diamond-pointed metal-cutting tools; polycrystalline diamond cutters for ready cutting of workpieces [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 machines ...