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GB1436266A
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Apparatus for the regeneration of activated carbon
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DE2260665A1
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Arc furnace waste gas collection - in metal melting and/or refining
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GB1402611A
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Electrical connectors
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GB1356542A
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Lighting unit
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Air filter band - is driven by fan powered by air flow
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US3750558A
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Apparatus for producing clean air
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LIGHTING DEVICE FOR SPACES KEEPED OPEN BY SUPPORT ELEMENTS
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Cooling suction hoods - for gases escaping through electrode ports in electric furnaces
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Extraction of hot gases - pressure probes between mix opening and ring chamber regulate gas extraction rate
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FR2127521A5
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Air-filter - with glass fibre filter tubes
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DE2147677A1
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Electrostatic dust precipitator - for air filtration using pre ionization section
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DE2133317A1
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Filter cartridge replacement - for radio-active contaminated gas filters using transit sleeves
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NL161675B
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PROCESS FOR CLEANING A COMBUSTIBLE GAS-like POLLUTANTS CONTAINING GAS FLOW OBTAINED AS THE DESORPTION FLOW FROM AN ADSORPTION FILTER.
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