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DK5972C
(en)
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Filter device at Containers for biological treatment of sewage water.
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DK5849C
(en)
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Distribution device for the Filter by Containers for biological treatment of Sewage water.
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DK5648C
(en)
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Devices at Containers for Biological Purification of Sewage Water.
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DK5430C
(en)
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Device for Apparatus for Purification of Wastewater and Other Liquids.
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DK6204C
(en)
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Sludge centrifuge device.
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DK5095C
(en)
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Septic Container for Treatment of Wastewater (Sewage).
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DK5927C
(en)
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Apparatus for Adjusting the Height of the Water Level by Discharge from the Filtered Containers for Biological Purification of Sewage Water.
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DK4468C
(en)
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Device for Draining Liquids.
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DK5877C
(en)
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Device for liquid centrifuges.
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DK8904C
(en)
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Device for Apparatus for Separation of Oil and Water Drops of Waste Vapor.
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DK540C
(en)
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Filter for Treatment of Wastewater.
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DK5059C
(en)
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Apparatus for devices for draining sparkling liquids.
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DK5833C
(en)
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Device for Evaporators for Liquids.
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DK6875C
(en)
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Devices at Septic Tanks.
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DK7190C
(en)
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Device for Water Purifiers.
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DK422C
(en)
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Procedure for Accelerating the Drying of Clay in Sludge Basins.
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DK7818C
(en)
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Device for water purification containers.
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DK6670C
(en)
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Device at Mønninger for Straatage.
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ES32087A1
(en)
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A procedure for the sterilization and purification of drinking and waste water.
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DK3910C
(en)
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Procedure for Treating Waste from Alcohol Factories.
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FR369759A
(en)
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Method and apparatus for clarifying the waste water from washing of cereals, respectively for recovering the usable substances contained therein
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DK6901C
(en)
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Device for Increasing the Effect of Centrifuge Drums.
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DK4634C
(en)
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Device at the Liquid Inlet for Centrifuge Containers.
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FR358145A
(en)
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Clarifying device, especially for overflow or runoff
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DK6881C
(en)
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Apparatus for Cleaning Sewage Wells.
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