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DE3744608A1
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Device for introducing gases into liquids
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CATALYST SUPPORT BODY
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Device for filtering gases
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Process and device for monitoring the flow of a gaz emerging from a filter
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Device for filtering gases
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Device for filtering gases
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Device for filtering gases.
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Method of introducing a gas into a liquid in a sewage treatment plant
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FASTENING BODY FOR FUMING A LIQUID IN A WASTEWATER PLANT
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Process for the biological purification of organically polluted waste waters
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FILTER BODY AND METHOD FOR THE PRODUCTION THEREOF
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Apparatus for filtering gases
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Apparatus for filtering gases
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Method and device for monitoring the flow of a gas stream emerging from a filter
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Apparatus for filtering gases
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Gas-introduction element for clarification tanks
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Process for producing filter bodies, in particular for the fine filtration of fluids
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Process for the production of filter bodies from activated carbon for the fine filtration of fluids
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Processing waste waters from vat esp. indigo dyeing - comprises flocculation with magnesium and/or calcium salts, decantation, reducing dye in sediment and recycling
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