00494nam a22001577a 4500 9780827355903 621.5 LAN/C Langley, Billy C Refrigerant management: The recovery, recycling, and reclaiming of CFCs/ Billy C Langley New York: Delmer publishers, 1994 155p. ; 21cm. Refrigerants-Safety Measures Chlorofluorocarbons - Environmental aspects Air Conditioning BK 0 0 0 0 FT MAIN MAIN FT SHELF 2023-03-21 0 621.5 LAN/C 2363 2023-03-21 00:00:00 2023-03-21 BK 1206 1206