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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">LICUEFACCION DE GASES</topic></authority><related type="narrower"><topic>AIRE LIQUIDO</topic></related><related type="narrower"><topic>GAS LICUADO DE PETROLEO</topic></related><related type="narrower"><topic>HELIO LIQUIDO</topic></related><related type="narrower"><topic>HIDROGENO</topic></related><related type="narrower"><topic>HIDROGENO LIQUIDO</topic></related><related type="narrower"><topic>INVESTIGACIONES SOBRE TEMPERATURAS BAJAS</topic></related><related type="narrower"><topic>NITROGENO LIQUIDO</topic></related><related type="broader"><topic>FISICOQUIMICA</topic></related><related type="broader"><topic>QUIMICA</topic></related><related type="broader"><topic>CALOR</topic></related><related type="broader"><topic>GASES</topic></related><related type="broader"><topic>INGENIERIA CRIOGENICA</topic></related><related type="broader"><topic>TERMOQUIMICA</topic></related><variant type="other"><topic>Gases--Licuefacción</topic></variant></mads>