|
DK5648C
(en)
|
|
Devices at Containers for Biological Purification of Sewage Water.
|
|
DK5972C
(en)
|
|
Filter device at Containers for biological treatment of sewage water.
|
|
DK5849C
(en)
|
|
Distribution device for the Filter by Containers for biological treatment of Sewage water.
|
|
DK5430C
(en)
|
|
Device for Apparatus for Purification of Wastewater and Other Liquids.
|
|
DK5095C
(en)
|
|
Septic Container for Treatment of Wastewater (Sewage).
|
|
DK422C
(en)
|
|
Procedure for Accelerating the Drying of Clay in Sludge Basins.
|
|
DK6204C
(en)
|
|
Sludge centrifuge device.
|
|
DK5927C
(en)
|
|
Apparatus for Adjusting the Height of the Water Level by Discharge from the Filtered Containers for Biological Purification of Sewage Water.
|
|
DK4205C
(en)
|
|
Procedure for Utilization of Cork Waste.
|
|
DK7818C
(en)
|
|
Device for water purification containers.
|
|
DK3955C
(en)
|
|
Centrifuge for the excretion of fats by liquids.
|
|
FR344174A
(en)
|
|
Water clarification
|
|
ES32087A1
(en)
|
|
A procedure for the sterilization and purification of drinking and waste water.
|
|
DK6875C
(en)
|
|
Devices at Septic Tanks.
|
|
DK5833C
(en)
|
|
Device for Evaporators for Liquids.
|
|
DK5646C
(en)
|
|
Grease Purification Procedure.
|
|
DK540C
(en)
|
|
Filter for Treatment of Wastewater.
|
|
DK5877C
(en)
|
|
Device for liquid centrifuges.
|
|
DK5909C
(en)
|
|
Radplow for Destruction of Agerkaal.
|
|
DK4468C
(en)
|
|
Device for Draining Liquids.
|
|
DK3910C
(en)
|
|
Procedure for Treating Waste from Alcohol Factories.
|
|
DK7190C
(en)
|
|
Device for Water Purifiers.
|
|
DK6318C
(en)
|
|
Liquid for Destruction of House Fungus.
|
|
DK5059C
(en)
|
|
Apparatus for devices for draining sparkling liquids.
|
|
FR335843A
(en)
|
|
Siphon system for pipelines
|