US PATENT SUBCLASS 239 / 134
.~.~ With additional upstream heating means

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

128  DF  WITH HEATING OR COOLING MEANS FOR THE SYSTEM OR SYSTEM FLUID {5}
133  DF  .~ Spray terminal carrying member carriers heater {1}
134.~.~ With additional upstream heating means

DEFINITION

Classification: 239/134

(under subclass 133) Apparatus in which there is an additional heating device intermediate the supply source and the heating means carried by the terminal member.