(under subclass 5) Systems, wherein extinguishing agent is gaseous or is delivered in the form of a gas and by its own energy or by mechanical blowers.
SEE OR SEARCH CLASS
62, Refrigeration,
45.1+, for process and apparatus for handling solidified or liquefied gas (e.g., CO[supscrpt]2[end supscrpt]) as a commodity requiring steps or means special to liquefied gas and more than required for other liquids.
