US PATENT SUBCLASS 48 / 110
.~.~.~ Oil gas

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

61  DF  GENERATORS {4}
89  DF  .~ Retort {12}
108  DF  .~.~ Water {2}
110.~.~.~ Oil gas

DEFINITION

Classification: 48/110

Retorts for separately making water and oil gases, which may afterward be mixed.