US PATENT SUBCLASS 236 / 58
.~.~.~ Wafer type
Current as of:
June, 1999
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236 /
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AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION
*
DD
TRAPS
{3}
*
DD
.~ Thermostatic {3}
56
DF
.~.~ Expanding fluid {2}
58
.~.~.~ Wafer type
DEFINITION
Classification: 236/58
(under subclass 56) Devices in which the drain-valve is operated directly by an expanding-fluid thermostat of the wafer type.