US PATENT SUBCLASS 159 / 6.2
.~.~ Wiped film

Current as of: June, 1999
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159 /   HD   CONCENTRATING EVAPORATORS

5  DF  FILM TYPE {4}
6.1  DF  .~ Centrifugal {1}
6.2.~.~ Wiped film {1}
6.3  DF  .~.~.~> Horizontally

DEFINITION

Classification: 159/6.2

Wiped film:

(under subclass 6.1) Apparatus wherein means contact the film adjacently to its flow.