US PATENT SUBCLASS 48 / 1
.~ Generation and liquefaction

Current as of: June, 1999
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48 /   HD   GAS: HEATING AND ILLUMINATING

*  DD  ACETYLENE {5}
1.~ Generation and liquefaction

DEFINITION

Classification: 48/1

Apparatus and processes for the combined generation and liquefaction of acetylene gas.

SEE OR SEARCH CLASS

62, Refrigeration,

600+, for processes and apparatus, per se, specialized to the manufacture of a solidified or liquefied product from a gas by physical treatment.