Difference Between CFC and HCFC | Compare the Difference Between Similar Terms
Refrigerant - Wikipedia
HFC134 - Molecule of the Month September 2013 - HTML-only version
Leakage Rates of Refrigerants CFC-12, HCFC-22, and HFC-134a from Operating Mobile Air Conditioning Systems in Guangzhou, China: Tests inside a Busy Urban Tunnel under Hot and Humid Weather Conditions | Environmental Science