US PATENT SUBCLASS 122 / *
.~.~ Over bridge wall

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

235.11  DF  WATER TUBE {52}
355  DF  .~ Zigzag {3}
*.~.~ Over bridge wall {2}
357  DF  .~.~.~> Longitudinal drum
358  DF  .~.~.~> Transverse drum