SU412308A1
(enExample )
1974-01-25
JPS5217375A
(en )
1977-02-09
Membrane separating apparatus
JPS5425789A
(en )
1979-02-26
Automatic pretreating apparatus of water quality sample
FR2306827A1
(fr )
1976-11-05
Procede et appareil d'epuisement de l'eau des suspensions aqueuses
JPS5220659A
(en )
1977-02-16
Treatment method of waste water by upward flow filtration
JPS51128835A
(en )
1976-11-10
Catalytic material manufacturing method and manufacturing device there by.
JPS5364094A
(en )
1978-06-08
Analysis of semi-metal and apparatus therefor
JPS5255254A
(en )
1977-05-06
Waste water treating device by means of biological action
FR2327983A1
(fr )
1977-05-13
Procede pour l'hydratation des nitriles en amides, catalyseur utilise a cet effet et son procede de preparation
FR2298638A1
(fr )
1976-08-20
Procede pour le degraissage et la teinture des peaux naturelles et des fourrures
JPS5217890A
(en )
1977-02-10
Method of operating measuring electrode and measuring electrode provid ed with a cleaning mechanism suitable for same
JPS51141468A
(en )
1976-12-06
Method of treating drainage
SU449024A1
(ru )
1974-11-05
Способ получени бензинхлорида
SU475421A1
(ru )
1975-06-30
Раствор дл контактного меднени стальной поверности
Walker et al.
1973
Experimental purification of surface water using lagoons: chemical and microbiological aspects).
JPS535855A
(en )
1978-01-19
Process for treating sewage water
ES416993A1
(es )
1976-06-01
Procedimiento y aparato de flotacion para el tratamiento deaguas residuales.
JPS51142859A
(en )
1976-12-08
Treating method of organic water liquor
JPS51113361A
(en )
1976-10-06
Foul water cleaning apparatus
JPS5251753A
(en )
1977-04-25
Method of clarifying textile-containing organic wastewater
JPS5245157A
(en )
1977-04-09
Method of treating drain water containing oil
JPS51141469A
(en )
1976-12-06
Method of treating drainage
JPS5226760A
(en )
1977-02-28
Method of treating polluted water using ozone
JPS5246379A
(en )
1977-04-13
Ion exchange resin column
JPS51111753A
(en )
1976-10-02
Air-exposure treating apparatus