SUPERFLUID HELIUM
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BTLIQUID HELIUM
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BTHELIUM (CHEMICAL ELEMENTS)
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BTSUPERFLUID STATE OF SUBSTANCE (CHEMISTRY)
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UDC546.291-139
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Descriptor GERSUPERFLÜSSIGES HELIUM
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Descriptor ENGSUPERFLUID HELIUM
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Descriptor FREHÉLIUM SUPERFLUIDE
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Variant GERHELIUM/SUPERFLÜSSIGES HELIUM
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Variant ENGHELIUM/SUPERFLUID HELIUM