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Date: 2014-08-12 18:17:28Chlorofluorocarbon Propane Air conditioner Dichlorodifluoromethane Air conditioning 1 1 1 2-Tetrafluoroethane Ozone depletion Refrigeration Butane Chemistry Refrigerants Heating ventilating and air conditioning | Add to Reading ListSource URL: work.alberta.caDownload Document from Source WebsiteFile Size: 105,70 KBShare Document on Facebook |