26.800 Manufacture of magnetic and optical media0
Keywords relevant in this category
manufacturingoptical instrumentslensesbinocularsmicroscopestelescopescameraslight meters; optical mirrorsoptical gun sighting equipmentoptical positioning equipmentoptical magnifying instrumentsoptical precision tools for machinistsoptical comparatorscamerafilm projectors and slide apparatusoverhead projectorsproductionmagnetic and optical recording equipmentmagnetic audio and video tapescassettesfloppy disksoptical diskshard disk mediaoptical fiber cables
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