Obstruction valve for preventing entry of main drainage channel flow into canalisation
CH690553A5
Device for blasting a stormwater tank containing wastewater.
DE19548240A1
Rain butt for flushing drains clear
DE19547140A1
Floating diving wall
DE19547139A1
Arrangement for keeping narrow water basins or channels clean
DE4233371A1
Process for measuring the flow of waste water
EP0477745A1
Measurement apparatus submerged measurement weir
DE4114584A1
Monitoring rain water reservoirs, etc. - using data transfer in digital and-or analogue form to memory programmable data acquisition unit
DE4111940A1
Support bracket and stop for flushing tank - has flushing tank which rotates to discharge its contents and stop is incorporated into support bracket to limit extent of rotation
DE4108360A1
Overflow threshold
DE4104451A1
Rain overflow structure with a measuring device for determining the amount of overflow water
DE4038622A1
Process and installation for cleaning a rainbow
DE4016373A1
Monitoring sewage network, esp. water mixing and removal network - by measuring data at numerous positions, storing, displaying and processing data
DE4015577A1
Process for cleaning a water basin, especially a rain basin of a mixed sewer system
DE4015414A1
Overflow structure with retention device for floating materials in mixed sewage systems
DE4012809A1
Dam sluice gate assembly - comprises drain for water in ditch in lowermost beam forming dam
DE3840125A1
Slide-valve device
DE3823614A1
Method and installation for flow measurement
DE3743703A1
Process for automatic cleaning of a drained sewage pipe
