7 Numerically controlled machine tools, namely, optical lens working machine tools; grinding machines, namely, optical lens grinding machines; milling machines; lathes; surface treatment machines, namely, milling machines, turning machines, optical lens polishing machines and optical lens coating machines; electric machines and apparatus for polishing, namely, optical lens polishing machines; tool spindles being parts of machines; workpiece spindles being parts of machines; workpiece holders for numerically controlled machine tools; machines and machine apparatus for processing glass, in particular for manufacturing optical glass, including grinding and polishing machines; unpacking machines, namely, raw lens unpacking machines; machines for unpacking lens blanks, namely, unpacking machines for automatic line operation, in particular from cartons, bags, pouches, basins and blister packs; machines for processing precision optics, in particular optics processing centres for grinding, polishing and centring and correction polishing machines; numerically controlled processing machines for round optics, plan optics, aspheres, the manufacture of cylinders and free-form surfaces and spectacle lenses of plastic and mineral fibre glass; cementing machines for cementing optical lens blanks on workpiece holders; electrostatic, spin, chemical vapour deposition and spray coating machines; installations in the nature of lens coating machines for scratch-proof coatings, anti-reflective coating, easy care coating, and hard coating installations in the nature of electrostatic coating machines, spin coating machines, chemical vapour deposition and spray coating machines; machine installations for finishing optic components, in particular in fine and precision optics; commodities for the aforesaid machines and installations, namely cross tables and tilting tables specially adapted to move work pieces and tools in optical lens working machines; commodities for the aforesaid machines and installations, namely, cutting, drilling, milling, grinding and polishing tools with polycrystalline diamonds, abrasive tools, diamond tools, polishing tools, polishing pads, polishing membranes, plastic polishing composites for power-operated machine tools; commodities for the aforesaid machines and installations, namely, diamond grinding rings in the nature of grinding tools for grinding machines, diamond pellets in the nature of grinding tools for grinding machines, diamond grinding wheels in the nature of grinding tools for grinding machines, abrasive grinding wheels of diamond in the nature of grinding tools for grinding machines