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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B60H1/22
the heat source being other than the propulsion plant
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B60H1/2215
the heat being derived from electric heaters
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B60H1/2221
arrangements of electric heaters for heating an intermediate liquid
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