GB1543464A
(en )
1979-04-04
Waste water treatment
ZA786645B
(en )
1979-10-31
Device for complete desalination of water
GB2001617B
(en )
1982-01-20
Apparatus for increasing the ph of waste water
IT1090470B
(en )
1985-06-26
PROCEDURE AND PLANT FOR TREATING WASTE WATER THROUGH MICROORGANISMS
JPS5460756A
(en )
1979-05-16
Device for ventilating liquid and specially waste water
GB2008562A
(en )
1979-06-06
Water harening for waste paper treatment
ZA786067B
(en )
1979-11-28
Process for the treatment of waste water
IL54587A
(en )
1982-04-30
Energy efficient process and apparatus for desalinating water
CS193962B1
(en )
1979-11-30
Device for sterilisation of drinking,supply and waste water
GB2043044B
(en )
1983-01-26
Boilogical waste water treatment apparatus
JPS54110655A
(en )
1979-08-30
Denitrification device of waste water
JPS53129449A
(en )
1978-11-11
Device for treating waste water
JPS5471895A
(en )
1979-06-08
Device for sterilizing pool water
JPS5421055A
(en )
1979-02-16
Device for treating active charcoal waste water
JPS5477455A
(en )
1979-06-20
Device for treating waste water
JPS5385951A
(en )
1978-07-28
Device for treating waste water
GB1544341A
(en )
1979-04-19
Biological waste water treatment
JPS5477451A
(en )
1979-06-20
Device for evaporating treated sanitary sewage
JPS5421056A
(en )
1979-02-16
Device for treating waste water
JPS5424453A
(en )
1979-02-23
Device for treating waste water
JPS5346166A
(en )
1978-04-25
Biological treatment of waste water
JPS547765A
(en )
1979-01-20
Device for treating active sludge waste water
JPS5493846A
(en )
1979-07-25
Sanitary sewage treating device
JPS5475163A
(en )
1979-06-15
Activated sludge treatment of waste water
JPS53101853A
(en )
1978-09-05
Device for treating waste water