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mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_ca">aliatge de coure</topic></authority><related type="narrower"><topic>llautó </topic></related><related type="narrower"><topic>cuproníquel </topic></related><related type="narrower"><topic>aliatge de coure i silici</topic></related><related type="narrower"><topic>bronze </topic></related><related type="narrower"><topic>cuproberil·li </topic></related><related type="narrower"><topic>aliatge de coure i alumini</topic></related><related type="narrower"><topic>tombac </topic></related><related type="narrower"><topic>pinchbeck</topic></related><related type="narrower"><topic>prince&apos;s metal</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>or de Nuremberg</topic></related><related type="other"><topic>malaltia del bronze</topic></related><related type="broader"><topic>coure i aliatges de coure</topic></related></mads>