YU37357B
(en )
1984-08-31
Process for the purification of triglycerides
ZA767361B
(en )
1977-11-30
Process for the treatment of water
HK25381A
(en )
1981-06-19
Water purification apparatus
YU216176A
(en )
1982-05-31
Reactor for biological purification of water
ZA763166B
(en )
1977-05-25
Waste water purification system
YU39817B
(en )
1985-04-30
Process for the two-step purification of waste water by means of active slime
PH15297A
(en )
1982-11-12
Process for the purification of water
DE2860355D1
(en )
1981-03-12
Process for the biological purification of waste water
YU36675B
(en )
1984-08-31
Process for the purification of waste water
CH612160A5
(en )
1979-07-13
Process for the biological purification of effluent
GR62641B
(en )
1979-05-15
Process for the purification of anthocyanes
AU503737B2
(en )
1979-09-20
Water purification
HU178513B
(en )
1982-05-28
Process for the purification of water
GB1544494A
(en )
1979-04-19
Process and device for the purification of waste water by means of electroflotation
ZA755618B
(en )
1977-04-27
Apparatus and process for the purification of water
AU4106878A
(en )
1980-05-01
Process for the oxidative purification of waste water
IL47073A0
(en )
1975-06-25
Process for the purification of waste waters
ZA763568B
(en )
1977-05-25
Process for the purification of industrial effluents
YU246078A
(en )
1982-06-30
Process for the biological purification of waste water
JPS5280660A
(en )
1977-07-06
Method of purifying sanitary sewage
DE3063699D1
(en )
1983-07-14
Process for the purification of water
CS189190B1
(en )
1979-04-30
Process for the purification of coloured waste water
DE2964156D1
(en )
1983-01-05
Process for water purification
GB1541454A
(en )
1979-02-28
Process for the purification of pregnancy-specific -glycoprotein
DE2861036D1
(en )
1981-11-26
Water purification process