US PATENT SUBCLASS 122 / *
.~ Fuel and water


Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

*  DD  REGULATION {2}
*.~ Fuel and water {2}
446  DF  .~.~> Fluid fuel {1}
*  DD  .~.~> Automatic control {1}