R-22 English English R-22 it was R-22 English English English English English R-22 English http://en.wikipedia.org/wiki/Chlorodifluoromethane HCFC-22 English English hcfc 22 Chlorodifluoromethane chlorodifluoromethane [Wiki] English [Wiki] English R-22 R22 English English R-22 refrigerant R-22 R-22 English English R-22 R-22 R-22 English chlorodifluoromethane English English English R-22 R22 refrigerant R-22 R22 refrigerant English