IRIDIUM (METALLURGY)
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BTNOBLE METALS (METALLURGY)
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UDC669.232
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Descriptor GERIRIDIUM (METALLURGIE)
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Descriptor ENGIRIDIUM (METALLURGY)
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Descriptor FREIRIDIUM (MÉTALLURGIE)
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NTIRIDIUM ALLOYS
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RTIRIDIUM (CHEMICAL ELEMENTS)