Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F24
HEATING; RANGES; VENTILATING
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F24S
SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
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40/00
Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
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F24S40/50
Preventing overheating or overpressure
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