GHETALDUS OPTIKA dd is a provider of products and services such as refractory materials, metakaolin,refractory materials, alumina rich clay based, 45 to 85% aluminium oxide,refractory materials, 85 to 99% alumina,refractory materials, corundum, 85 to 99% alumina,refractory materials, kyanite/disthene, 45 to 85% alumina,refractory materials, synthetic mullite, 45 to 85% alumina,refractory materials, sillimanite/fibrolite, 45 to 85% alumina,refractory materials, andalusite, 45 to 85% alumina,refractory materials, bauxite and diaspore, 45 to 85% alumina,refractory materials, olivine, phosphorite and serpentine based,refractory materials, magnesia,refractory materials, zirconium oxide,refractory materials, magnesium or magnesium-chromite, metal coated,refractory materials, chrome magnesite,refractory materials, chromite,refractory materials, chrome dolomite,refractory materials, dolomite,refractory materials, magnesite, raw and fired,refractory materials, magnesite, sintered and ground,refractory materials, cristobalite-zirconium,refractory materials, zircon,refractory materials, siliceous, 15 to 25% alumina,refractory products, silicon carbide,refractory materials, pure oxide,refractory materials, plastic (mouldable),castable refractory concrete,refractory cements,grouts and mortars, refractory,powders, refractory,refractory aggregates,refractory products for insulating,pastes, refractory,ceramic-metal (cermet) refractories,colloidal bonded refractories,refractory materials, mouldable,ramming refractories,filling mixes, refractory, resin-bonded, for the steel industry,refractory materials for boiler furnaces,refractory materials for induction furnaces,refractory materials for foundries, the steel industry, blast furnace stoves,refractory materials for gasworks,refractory materials for the glass industry,refractory materials for the ceramics industry,refractory materials for the electrical industry,refractory materials for the cement industry,refractory materials for nuclear reactors,cameras, astronomy,colposcopes,orthoptic apparatus,ophthalmoscopes,optometers,retinoscopes,exophthalmometers,scotometers,ophthalmodynamometers,perimeters,ophthalmometers,keratoscopes, electronic,tonometers,dioptometers,pupillometers,phoropters,ophthalmic screens, visual field tests,amblyopia treatment apparatus,charts, sight testing,photo-coagulating appliances, medical, retina treatment,ophthalmoscopic lamps,ophthalmic examination chairs and fittings,electromagnetic appliances, ophthalmic, extraction of ferrous splinters,ophthalmic instrument accessories,ophthalmic instrument kits,lasers, medical applications,astrographs,helioscopes,reflectors, astronomical,refractors, astronomical,spectroscopes, astronomical,spectrographs, astronomical,astrolabes, danjon prism,theodolites, universal, astronomical (altazimuths),meridian circles, azimuthal circles,astronomical clocks,chronographs, astronomical, recording and printing,sextants,cameras, satellite,image enhancement and pattern recognition equipment, electronic, for observatories,micro-optical components for lasers,laser crystals,optical beam splitters, cube and plate,telescopes, astronomical,polarisation glass,optical filters, infrared,optical filters, ultraviolet (uv),optical filters, polarising,optical filters, monochromatic,optical filters, colour,optical filters, dichroic,optical filters, fluorescent,optical filters, neutral density,optical filters, interference,optical filters, polariser,optical wedges, laser,optical wedges, neutral density,optical wedges, photometric,filters for contrast enhancements,filters for sunglasses and industrial protective goggles,optical mirrors, galvanometer,components, optical, for marine searchlights,optical components for lasers,optical diffusers,optical mirrors, projector,optical mirrors, computerised, thermal, for use in space,optical prisms, standard, for apparatus testing,optical prisms, beam splitting, for colour televisions,optical prisms for optical instruments,optical gratings, diffraction,optical components, thin film,optical windows, lens protection,optical lenses for camera lenses,lenses, dummy, for display purposes,optical lenses, flat or curved, for industrial use,optical lenses, glass, for binoculars, magnifiers and projectors,optical lenses for passive infrared detectors,optical lenses for scientific equipment,optical lenses for endoscopes,optical lenses for mobile telephone (cellular phone) cameras,optical lenses for interferometers,optical lenses for compact disc (cd) and digital versatile disc (dvd) players,optical lenses and mirrors for light condensers,lenses and reflectors for photoelectric cells,lenses, stage lighting,accessories for spectacles,spectacle frames, glass,spectacle frames, metal,spectacle frames, plastic,spectacle frames, tortoiseshell and horn,spectacle frames, carbon,spectacle frames, juvenile size,spectacle frames, trial, for opticians,monocles and monocle rims,pince-nez and pince-nez frames,lorgnettes and lorgnette frames,shapes, semi-finished, nickel silver, for spectacle frames,spectacle frame components,sunglasses,spectacles, plastic framed,spectacles, tortoiseshell framed,spectacles, rimless,spectacles, folding,spectacles, mirror,spectacles, anti-fog, anti-glare,spectacles, juvenile size,test spectacles, opticians',spectacles, television,goggles, sports,reading glasses, non-prescription,optical lenses, machined, for protective goggles,lenses, trial, cased, ophthalmic,intraocular (permanent) lenses,cleaning kits for contact lenses,spectacle lenses,contact lenses,image analysers,tension indicators, mechanical or optical, for ropes or cables,torque indicators, mechanical,gauges, measuring, mechanical, for threads,gauges, measuring, mechanical, for holes,gauges, measuring, mechanical, for length and diameter,transducer calibration equipment, mechanical,rotation monitors, mechanical,borescopes,shaft position, speed and movement monitors,dial gauges,linear speed indicators,bone densitometers/osteometers,fibrescopes, industrial,auxometers/dynameters,absolute gravity meters,ellipsometers,gauges, thickness,gauges, radius,gauges, wire,gauges, angle,gyroscopes and gyrometers,accelerometers,conveyor belt tension measuring equipment,position measuring systems, machine tool,squares, metal, high precision,squares and bevels, engineers',gauges, precision clearance, for plastics,measuring instruments, optical, size and shape,optical compensators, babinet compensators,gauges, width, optical,comparators, optical,micrometers, optical, contactless, laser,instruments, optical, cavity examination,photoelasticity measuring equipment, optical,micrometers, internal,micrometers, external,micrometers, digital display,micrometers, optical,endoscopes, high temperature applications,endoscopes, industrial,calipers and dividers, metalwork,calipers, lens,calipers, electronic,calipers, screw thread,calipers, vernier or sliding,calipers, external, metalwork,calipers, internal, metalwork,calipers and dividers, woodworking,depth gauges.