LANTHANUM (METALLURGY)
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BTHEAVY METALS (METALLURGY)
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UDC669.854
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Descriptor GERLANTHAN (METALLURGIE)
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Descriptor ENGLANTHANUM (METALLURGY)
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Descriptor FRELANTHANE (MÉTALLURGIE)
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NTLANTHANUM ALLOYS
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RTLANTHANUM (CHEMICAL ELEMENTS)