US PATENT SUBCLASS 122 / *
.~ Vertical sections

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

209.1  DF  SECTIONAL {9}
*.~ Vertical sections {4}
221  DF  .~.~> Annularly positioned {1}
223  DF  .~.~> Longitudinally positioned {1}
225 R  DF  .~.~> Transversely positioned {6}
230  DF  .~.~> Two-section