|
HU895274D0
|
|
Sampler for liquids, in particular to small-dimension sewage conduits
|
|
HUT53819A
|
|
Method and apparatus for transporting and cleaning granular materials by fluid
|
|
HUT55712A
|
|
Process for the energy saving purification of sewages containing vegetable nutrients and organic material
|
|
HUT63118A
|
|
Process for regenration of ammonium-saturated ion exchanger
|
|
HUT64917A
|
|
Method for treating of slop water of bottle-washing factory
|
|
HUT51829A
|
|
Water-feeding apparatus for getting the irrigation water into the rooting zone of the plant
|
|
HUT52244A
|
|
Device for testing characteristics of sewage conduits
|
|
HUT49547A
|
|
Collet water purifier for purifying waters contaminated with nitrate
|
|
DD261196A1
|
|
Method for eliminating shears on pipes of a supply system
|
|
WO8706994A1
|
|
Process for repairing damage to pipes of a supply system
|
|
HUT45726A
|
|
Equipment for introduction of gases into liquids, primarily for airing of sewages
|
|
HUT44748A
|
|
Process for stabilizing the sedimentation of organic material-containing sludges
|
|
HUT43348A
|
|
Method and apparatus for load testing subsoil
|
|
HUT44985A
|
|
Process for purifying waste waters in multistep biological systhems with adsorbent powders
|
|
HUT41141A
|
|
Device for measuring subsidence for detecting displacement of soils and stratums thereof
|
|
HUT42406A
|
|
Process and equipment for hindering multiplication of light-demanding creatures by installations nearby waters
|
|
HUT41343A
|
|
Process for elimination of arsene content from waters having big content of organic materials
|
|
HUT39919A
|
|
Teletransmitter
|
|
HUT39406A
|
|
Process for elimination of the ammonia-content of waters by means of chemical oxidation
|
|
HUT39522A
|
|
Process control system with hierarchic structure
|
