Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B60
VEHICLES IN GENERAL
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B60H
ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
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1/00
Heating, cooling or ventilating devices
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B60H1/24
Ventilating devices where the heating or cooling is irrelevant
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B60H1/26
Ventilating openings in vehicle exterior; Ducts for conveying ventilating air
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B60H1/262
Openings in or on the vehicle roof
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