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}
*.~ Over bridge wall {3}
284  DF  .~.~> Headers at right angles
285  DF  .~.~> Transverse water baffle
*  DD  .~.~> Water grate {2}