IL82013A0
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1987-10-20
Method and apparatus for electrolyzing water
EP0242148A3
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1990-12-05
Method for purification of carotene-containing concentrate
EP0237631A3
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1988-03-02
Method of treating photoresists
GB2206342B
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1992-01-29
Process and apparatus for the purification of water
GR871232B
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1988-02-18
Method for the treatment of sewage and impure water
GB2199821B
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1990-04-04
Method of and arrangement for purifying contamied water
CS404486A1
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1989-05-12
Method of water removal from undsirable gaseous components by means of gradually water through-flow aeration
EP0333257A3
(en )
1990-03-14
Method of selectively removing pollutants from water
EP0233333A3
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1988-02-24
Method of treating photoresists
GB8817649D0
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1988-09-01
Water purification method & apparatus
ZA88868B
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1988-09-28
Method and apparatus for the purification of water
EP0226715A3
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1988-04-06
Process and apparatus for the biological denitrification of water
GB2201669B
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1991-03-13
Method for biological purification of sewage from diethanolamine
CS404286A1
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1989-06-13
Method of undesirable gaseous components removal from water by means of aeration and recirculation
CS404586A1
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1988-12-15
Device for removing undesirable gaseous components from water by stepwise flow aeration of water
GB2187181B
(en )
1990-05-23
Purification of sewage
IL80548A0
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1987-02-27
Method for the treatment of impure water
ZA875739B
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1988-11-30
Method for the treatment of sewage and other impure water
IL80794A0
(en )
1987-02-27
Method for desalination of sea water
CS274726B2
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1991-10-15
Method of magnetohydrodynamical water treatment
PL261225A1
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1988-06-23
Device for deep aeration of water
IE872097L
(en )
1988-02-04
Method for the treatment of sewage and other impure water
GB8604551D0
(en )
1986-04-03
Water purifying apparatus
EP0230894A3
(en )
1989-12-27
Method of an apparatus for water treatment
CS402690A3
(en )
1992-04-15
Process of sewage water treatment