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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">INSTRUMENTOS OPTICOS</topic></authority><related type="narrower"><topic>ACROMATISMO</topic></related><related type="narrower"><topic>CRISTALES OPTICOS</topic></related><related type="narrower"><topic>DISPOSITIVOS ELECTROOPTICOS</topic></related><related type="narrower"><topic>DISPOSITIVOS OPTOELECTRONICOS</topic></related><related type="narrower"><topic>ESPEJOS</topic></related><related type="narrower"><topic>HELIOSTATO</topic></related><related type="narrower"><topic>INSTRUMENTOS ASTRONOMICOS</topic></related><related type="narrower"><topic>INTERFEROMETROS</topic></related><related type="narrower"><topic>LENTES</topic></related><related type="narrower"><topic>MICROSCOPIOS</topic></related><related type="narrower"><topic>Microscopios petográficos</topic></related><related type="narrower"><topic>Poloriscopios</topic></related><related type="narrower"><topic>REDES DE DIFRACCION</topic></related><related type="narrower"><topic>REFRACTOMETROS</topic></related><related type="narrower"><topic>TELESCOPIOS</topic></related><related type="broader"><topic>INSTRUMENTOS CIENTIFICOS</topic></related><related type="broader"><topic>INSTRUMENTOS DE FISICA</topic></related><related type="broader"><topic>INDUSTRIA DEL VIDRIO</topic></related><variant type="other"><topic>Aberración cromática y esférica</topic></variant><variant type="other"><topic>Optica--Instrumentos</topic></variant></mads>