HEAT INSULATION (FIRING ENGINEERING)
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BTHEAT RECOVERY + UTILIZATION OF NATURAL HEAT (FIRING ENGINEERING)
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UDC662.998
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Descriptor GERWÄRMEISOLATION (FEUERUNGSKUNDE)
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Descriptor ENGHEAT INSULATION (FIRING ENGINEERING)
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Descriptor FREISOLATION THERMIQUE (TECHNIQUES DU CHAUFFAGE)
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Variant GERISOLATION/WÄRMEISOLATION (FEUERUNGSKUNDE)
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Variant ENGINSULATION/HEAT INSULATION (FIRING ENGINEERING)
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Variant FRETHERMIQUE/ISOLATION THERMIQUE (TECHNIQUES DU CHAUFFAGE)