ECOLOGICALLY HARMLESS REFRIGERANTS (REFRIGERATION ENGINEERING)
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BTREFRIGERANTS, COOLANTS (REFRIGERATION ENGINEERING)
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UDC621.564,1
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Descriptor GERUMWELTVERTRÄGLICHE KÄLTEMITTEL (KÄLTETECHNIK)
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Descriptor ENGECOLOGICALLY HARMLESS REFRIGERANTS (REFRIGERATION ENGINEERING)
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Descriptor FRERÉFRIGÉRANTS NON POLLUANTS (TECHNIQUE DU FROID)
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Variant GERKÄLTEMITTEL/UMWELTVERTRÄGLICHE KÄLTEMITTEL (KÄLTETECHNIK)
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Variant ENGREFRIGERANTS/ECOLOGICALLY HARMLESS REFRIGERANTS (REFRIGERATION ENGINEERING)
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Variant FRENON POLLUANT/RÉFRIGÉRANTS NON POLLUANTS (TECHNIQUE DU FROID)
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NTAMMONIA/REFRIGERANTS (REFRIGERATION ENGINEERING)