Device and method for sterilizing a gas or gas mixture with UVC radiation
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Device and method for sterilizing flowing air
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Air purification device
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Device and method for disinfecting room air
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Ionization tube
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Device for cleaning polluted exhaust air
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Air cleaning device
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Regulator for air cleaning unit controls secondary side oscillating high voltage peak value so that air quality measured by gas sensor corresponds approximately to defined desired value
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Ventilation system for interior of vehicle has ionization tube housing with air inlet and outlet mounted with its air inlet side in front of at least one ventilation slit
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Process for the purification of exhaust air
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Device for tensioning driving belts, particularly for motor vehicles
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Tensioning device for v-belts, in particular for motor vehicles
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Gear lever knob
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Pressure-medium control valve
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Discharge device for a household waste
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Pneumatic operating cylinder with piston rod - has non-return valve in channel passing through piston arrangement for pressure relief
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Pneumatic drive for heavy vehicle brakes - has connecting channel between cylinder chambers sealed by back pressure valve reacting to high pressure
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Automatic drainage for compressed air units - operative element having form of piston-bar in condensed water-housing
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Improvements in the manufacture of reinforced concrete elements
