Air supply system for an internal combustion engine
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Expansion valve device for a refrigeration circuit or air-conditioning circuit
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Solenoid valve for a motor vehicle and method for producing a movement unit from an armature and a valve unit for a solenoid valve of this kind
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Exhaust gas recirculation system for an internal combustion engine, and method for regulating an exhaust gas recirculation system of this type
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Throttle valve device for an exhaust gas tract or an air intake tract of an internal combustion engine and a method for producing a throttle valve housing of a throttle valve device
