ZIRCONIUM AND HAFNIUM (CHEMICAL ELEMENTS)
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BTTRANSITION METALS (CHEMICAL ELEMENTS)
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UDC546.83
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Descriptor GERZIRKONIUM UND HAFNIUM (CHEMISCHE ELEMENTE)
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Descriptor ENGZIRCONIUM AND HAFNIUM (CHEMICAL ELEMENTS)
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Descriptor FREZIRCONIUM + HAFNIUM (ÉLÉMENTS CHIMIQUES)
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NTHAFNIUM (CHEMICAL ELEMENTS)
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NTZIRCONIUM (CHEMICAL ELEMENTS)