CA947886A
(en )
1974-05-21
Method and apparatus for denitrification of treated sewage
CA993806A
(en )
1976-07-27
Method and apparatus for mechanically and chemically treating waste liquid
CA982712A
(en )
1976-01-27
Method and apparatus for treating animal waste
ZA716850B
(en )
1972-06-28
Method and apparatus for treating effluent
IL40114A0
(en )
1972-10-29
Method and apparatus for treating timber
HU173320B
(en )
1979-04-28
Method and apparatus for treating seeds
AU461647B2
(en )
1975-06-05
Method and apparatus for treating sewage
IL42823A0
(en )
1973-10-25
Sewage treatment processes and apparatus
IL42966A0
(en )
1973-11-28
Method and apparatus for settling sludge
AU459688B2
(en )
1975-04-10
Method and apparatus for treating water
CA987037A
(en )
1976-04-06
Waste treatment process and apparatus
ZA746555B
(en )
1975-11-26
Method and apparatus for treating wastewater
IL38574A0
(en )
1972-03-28
Method and apparatus for chemically purifying sewage
ZA726080B
(en )
1973-05-30
Apparatus and method for treating sewage water
ZA731972B
(en )
1973-11-28
Method and apparatus for treating sewage
ZA712278B
(en )
1972-01-26
Plural purpose sludge incinerating and treating apparatus and method
IE35275B1
(en )
1975-12-24
Plural purpose sludge incinerating and treating apparatus and method
AU456086B2
(en )
1974-11-25
Plural purpose sludge incinerating and treating apparatus and method
CA936631A
(en )
1973-11-06
Plural purpose sludge incinerating and treating apparatus and method
CA831816A
(en )
1970-01-13
Apparatus and method for treating sewage
CA881860A
(en )
1971-09-28
Method and apparatus for incinerating sludge
CA853763A
(en )
1970-10-13
Method and apparatus for treating waste
CA867643A
(en )
1971-04-06
Method and apparatus for treating water
CS182772B2
(en )
1978-05-31
Method of sewage treatment and device therefor
CA914812A
(en )
1972-11-14
Method and apparatus for treating sewage