GB1550059A
(en )
1979-08-08
Scum removing apparatus
SE425307B
(sv )
1982-09-20
Anordning for anaerob rening av avloppsvetska
CS182558B1
(en )
1978-04-28
Device for removing free oils from industrial waste water level in collector-separator
JPS5435872A
(en )
1979-03-16
Apparatus for collecting detergent contained in sludge
JPS51115059A
(en )
1976-10-09
Method for removing ash from waste water treating device and its device
JPS5256760A
(en )
1977-05-10
Waste water purifying device that use activated sludge
JPS5384362A
(en )
1978-07-25
Device for continuously purifying waste water
JPS53129449A
(en )
1978-11-11
Device for treating waste water
JPS52123557A
(en )
1977-10-17
Apparatus for treating waste water containing oil
JPS52134257A
(en )
1977-11-10
Apparatus for treating waste water
JPS52115564A
(en )
1977-09-28
Apparatus for treating waste water
CS194391B1
(en )
1979-12-31
Device for removing free oils and mechanical substances from industrial waste water level in separator
JPS5385951A
(en )
1978-07-28
Device for treating waste water
JPS5477455A
(en )
1979-06-20
Device for treating waste water
IT1038435B
(it )
1979-11-20
Procedimento per rimuovere particelle oleose da acqua di rifiutoche contiene le stesse
JPS5323146A
(en )
1978-03-03
Waste water treating apparatus
JPS5255257A
(en )
1977-05-06
Processing method for waste water contained oil
JPS5376547A
(en )
1978-07-07
Device for treating waste water
JPS5382057A
(en )
1978-07-20
Device for treating waste water
JPS5384360A
(en )
1978-07-25
Device for treating waste water
JPS52141426A
(en )
1977-11-25
Device for removing scum
JPS5312727A
(en )
1978-02-04
Device for removing scum
JPS5361159A
(en )
1978-06-01
Device for discharging sludge stationarily in sand basin
JPS51132632A
(en )
1976-11-17
Device for removing refuse in waterway
JPS52135565A
(en )
1977-11-12
Apparatus for treating aidic waste water