US5221470B1
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1997-02-25
Apparatus for treating waste water
CS66192A3
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1992-09-16
Process and apparatus for waste heat treatment
ZA952424B
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1995-12-19
Process and apparatus for the processing of industrial waste water by electrolysis
GB9220428D0
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1992-11-11
Sludge treating process and apparatus
HU9401332D0
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1994-08-29
Apparatus for cleaning and treating sewage by electrolysis
EP0597290A3
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1995-01-18
Process and device for purification of waste water.
ZA959631B
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1996-05-29
Process and apparatus for treating waste water with ozone
CS73591A3
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1992-10-14
Process and apparatus for contaminated water treatment
HU9500399D0
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1995-04-28
Processing plant for waste water treatment
CS31992A3
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1992-05-13
Process and apparatus for contaminated water treatment
GB9206718D0
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1992-05-13
Apparatus for treating or processing waste
IL108956A0
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1994-06-24
Method and apparatus for purifying waste water
HU209506B
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1994-06-28
Method and apparatus for purifying acidous industrial waste water
GB2270520B
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1996-02-14
Waste matter treatment apparatus
HU913122D0
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1992-01-28
Sewage treating process and apparatus
GB9114121D0
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1991-08-14
Waste water treatment process
GB9311638D0
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1993-07-21
A method and apparatus for the treatment of waste water
GB9425172D0
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1995-02-08
Water treatment process and apparatus
GB9213254D0
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1992-08-05
Waste water treatment process
GB9121963D0
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1991-11-27
Water purification process and apparatus
GB9005398D0
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1990-05-02
A method and apparatus for the treatment of waste matter
HU911954D0
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1991-12-30
Preclarifying process and apparatus for sewage cleaning
IL99887A0
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1992-08-18
Process for treating and disinfecting water
HU211145B
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1995-12-28
Process for decontamination of waste water and apparatus for such process
GB9116723D0
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1991-09-18
Waste treatment process & products