AU6949187A
(en )
1987-09-09
Arrangement for treatment of water
GB8704089D0
(en )
1987-03-25
Method of treatment
GB8718676D0
(en )
1987-09-09
Treatment of sewage
EP0203761A3
(en )
1988-06-08
Process for water treatment
GR871232B
(en )
1988-02-18
Method for the treatment of sewage and impure water
GB8722897D0
(en )
1987-11-04
Treatment of potable water
GB2199821B
(en )
1990-04-04
Method of and arrangement for purifying contamied water
EP0429661A4
(en )
1991-12-11
Method of water treatment
IE862944L
(en )
1987-05-08
Method of treatment of impure water
IL80548A0
(en )
1987-02-27
Method for the treatment of impure water
CS274726B2
(en )
1991-10-15
Method of magnetohydrodynamical water treatment
AU6765887A
(en )
1987-07-23
Treatment of water
GB8723765D0
(en )
1987-11-11
Treatment of water
GB8929341D0
(en )
1990-02-28
Method of water treatment
GB8512143D0
(en )
1985-06-19
Method of treatment
ZA876792B
(en )
1988-06-29
Treatment of water
ZA872725B
(en )
1987-11-25
Treatment of water
ZA871265B
(en )
1988-11-30
Treatment of water
GB8618949D0
(en )
1986-09-10
Method of treatment
ZA875739B
(en )
1988-11-30
Method for the treatment of sewage and other impure water
ZA88868B
(en )
1988-09-28
Method and apparatus for the purification of water
ZA871492B
(en )
1987-10-28
Treatment of waste water
CS886587A1
(en )
1988-08-16
Treatment of water
ZA887700B
(en )
1990-06-27
Treatment of water
PL268724A1
(en )
1989-05-16
Method of treating water