US PATENT SUBCLASS 236 / 35.2
.~.~ Shutters
Current as of:
June, 1999
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236 /
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AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION
34
DF
COOLING RADIATOR
{2}
35
DF
.~ Air control {1}
35.2
.~.~ Shutters {1}
35.3
DF
.~.~.~
> Servomotor
DEFINITION
Classification: 236/35.2
(under subclass 35) Subject matter in which the means for controlling the air flow is shutters.