JPS55157308A
(en )
1980-12-08
Removing apparatus for foreign matter
NO159817C
(no )
1989-02-08
Neddykkbart pumpesystem og roerstrengseksjon for anvendelse i pumpesystemet.
JPS52126681A
(en )
1977-10-24
Improved hollow fiber fluid separating apparatus
TH1961A
(th )
1984-11-01
เครื่องกรองน้ำ
TH422B
(th )
1986-08-07
เครื่องกรองน้ำ
JPS548178A
(en )
1979-01-22
Filtering membrane
JPS5220409A
(en )
1977-02-16
Underwater air removing device of air operative pump
JPS561296A
(en )
1981-01-08
Dehydrator
FI870993A7
(fi )
1987-03-06
Filterarrangemang foer rengoering av gasformigt medium.
JPS55124513A
(en )
1980-09-25
Membrane separation module
JPS5797100A
(en )
1982-06-16
Sand avoiding apparatus for water pumping
IT1146304B
(it )
1986-11-12
Apparecchiatura per la protezione di pesci
JPS5791792A
(en )
1982-06-08
Pipe having purifying capacity
JPS52132297A
(en )
1977-11-05
Operating method of purifying system of reactor
JPS531968A
(en )
1978-01-10
Eliminating device of foreign substance in water
JPS5430653A
(en )
1979-03-07
Water purification method and apparatus for same
JPS5667582A
(en )
1981-06-06
Sewage disposal method
JPS55128614A
(en )
1980-10-04
Cross-flow type radiator device
JPS5286982A
(en )
1977-07-20
Reverse permeable membrane
de Vries
1982
Heat recovery-possibilities of use and results in the sewage and sewage works technology sector.
JPS5778913A
(en )
1982-05-17
Pressure filter and liquid-removing method using the same
JPS52124478A
(en )
1977-10-19
Reverse permeable separation apparatus
DINKELACKER
1980
Further experiments on the cleaning of sewer pipes with the help of spheres(washed through the pipes)
JPS5298260A
(en )
1977-08-17
Inspection of heating pipes used in heat exchanger
JPS5729715A
(en )
1982-02-17
Removing device for suspending matter