Monitoring pollutant emissions from a vehicle engine comprises measuring one pollutant and producing an error signal when the pollutant measured value exceeds a predetermined threshold value
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Method and device for manufacturing a wafer from semiconducting material
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Carbide charge, containing a basic body made of calcium carbide and an envelope
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Switch and rotary contact
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Barrier-layer solar cell production
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Solar cell with p=n barrier type semiconductor layer
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Switch with moving bridge contact
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Actuating unit for actuating devices of a motor vehicle
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Multi-function switch, in particular mirror adjustment switch for a motor vehicle
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Method and device for reducing the peak load of electrical energy networks and energy generators
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Plant for generating energy
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Energy store
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Optoelectronic component
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Multifunction electrical switch with single manual input - in form of rocker push-button coupled to stem operating number of contacts in base
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Electric light switching arrangement for illuminating the interior of a motor vehicle
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Switching device for the controlled commissioning of electrical equipment
