TECHNETIUM (CHEMICAL ELEMENTS)
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BTMETALS OF THE 6TH, 7TH AND 8TH GROUP (CHEMICAL ELEMENTS)
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BTTRANSITION METALS/YTTRIUM TO PALLADIUM (CHEMICAL ELEMENTS)
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UDC546.718
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Descriptor GERTECHNETIUM (CHEMISCHE ELEMENTE)
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Descriptor ENGTECHNETIUM (CHEMICAL ELEMENTS)
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Descriptor FRETECHNÉTIUM (ÉLÉMENTS CHIMIQUES)
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Variant GERCHEMISCHE ELEMENTE/TECHNETIUM
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Variant GERTC (TECHNETIUM)
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Variant ENGCHEMICAL ELEMENTS/TECHNETIUM
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Variant ENGTC (TECHNETIUM)
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Variant FRETC (TECHNÉTIUM)
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NTTECHNETIUM ISOTOPES
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NTTECHNETIUM COMPOUNDS (INORGANIC CHEMISTRY)
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RTTECHNETIUM (METALLURGY)