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mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_es">aleación de cobre</topic></authority><related type="narrower"><topic>latón</topic></related><related type="narrower"><topic>aleación de cobre y níquel</topic></related><related type="narrower"><topic>aleación de cobre y silicio</topic></related><related type="narrower"><topic>bronce</topic></related><related type="narrower"><topic>aleación de cuproberílica</topic></related><related type="narrower"><topic>aleaciones de cobre y aluminio</topic></related><related type="narrower"><topic>tumbaga</topic></related><related type="narrower"><topic>pinchbeck (traducció pendent)</topic></related><related type="narrower"><topic>Prince&apos;s metal (traducció pendent)</topic></related><related type="narrower"><topic>shakudo (traducció pendent)</topic></related><related type="narrower"><topic>Nordic gold (traducció pendent)</topic></related><related type="narrower"><topic>Nuremberg gold (traducció pendent)</topic></related><related type="other"><topic>enfermedad del bronce</topic></related><related type="broader"><topic>cobre y aleaciones de cobre</topic></related><variant type="other"><topic>aleaciones de cobre</topic></variant></mads>