US PATENT SUBCLASS 122 / *
.~.~.~ Plural lower transverse drum


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

235.11  DF  WATER TUBE {52}
332  DF  .~ Vertical {10}
*  DD  .~.~ Plural upper transverse drum {1}
*.~.~.~ Plural lower transverse drum {1}
352  DF  .~.~.~.~> Offset firebox