US PATENT SUBCLASS 165 / 48.2
.~.~ Solar
Current as of:
June, 1999
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165 /
HD
HEAT EXCHANGE
47
DF
STRUCTURAL INSTALLATION
{3}
48.1
DF
.~ Heating and cooling {3}
48.2
.~.~ Solar
DEFINITION
Classification: 165/48.2
Solar:
(under subclass 48.1) Apparatus including a solar heater or a solar cooler.