Synonyms were used for:
Kältemittel
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keywords:("Kältemittel")
Use of solid carbon dioxide in road and rail transport
Solid carbon dioxide for railway refrigerating cars
Dry ice used to increasing extent for perishable shipments
Dry ice for refrigeration of perishables shipped by rail
Dry-ice as transport refrigerant
"Dry-ice" as a transport refrigerant