ફ્રીઓન અને તેની મિકેનિઝમ: એક વ્યાપક સંશોધન
Freon is a brand name coined by DuPont (now Chemours) to describe a family of synthetic chemical compounds known as chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), and hydrofluorocarbons (HFCs).
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