US PATENT SUBCLASS 165 / DIG 167
.~ Liquid film flows sequentially along upper surfaces of vertically spaced trays (i.e. shelf-to-shelf)
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June, 1999
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165 /
HD
HEAT EXCHANGE
DIG 163
DD
INCLUDING A MEANS TO FORM FLUID FILM ON HEAT TRANSFER SURFACE (E.G., TRICKLE)
{8}
DIG 167
.~ Liquid film flows sequentially along upper surfaces of vertically spaced trays (i.e. shelf-to-shelf)
