US PATENT SUBCLASS 454 / 900
VENTILATOR USING SOLAR POWER
Current as of:
June, 1999
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454 /
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VENTILATION
900
VENTILATOR USING SOLAR POWER
DEFINITION
Classification: 454/900
VENTILATOR USING SOLAR POWER:
(under the class definition) Subject matter comprising means using energy from the sun in its operation.
