FR2593802B1
(en )
1991-09-06
WATER PURIFICATION PLANT
FR2516347B1
(en )
1985-09-27
AUTONOMOUS FISH BREEDING PLANT, AND METHOD FOR INCREASING THE DENSITY OF FISH BROWNED IN SALTED WATER
GB8416993D0
(en )
1984-08-08
Biological activating cleaning of waste waters
AR245080A1
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1993-12-30
Improved reactor for biological treatment of waste water
HUT40054A
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1986-11-28
Process for processing dung water deriving from the excrement of useful animals
GB8610479D0
(en )
1986-06-04
Disinfection of water
FR2626890B1
(en )
1991-02-15
PROCESS FOR THE PREPARATION OF ALGAE HAVING AN IMPROVED BIOLOGICAL EFFECT
CS96285A1
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1989-04-14
Method of sewage waters cleaning coming from excrements from domestic animals' large-scale breeding
GB2143811B
(en )
1987-09-23
Biological activating cleaning of waste waters
AU562740B2
(en )
1987-06-18
Anaerobic biological denitrification of aquarium water
CS96185A1
(en )
1989-04-14
Method of sewage waters cleaning from domestic animals' large-scale breeding
FR2595907B1
(en )
1988-09-23
ANIMAL MILKING FACILITY
FR2606769B1
(en )
1989-02-17
PROCESS AND PLANT FOR THE DENITRIFICATION OF POLLUTED WATER
GB8612772D0
(en )
1986-07-02
Automatic drinking basin for livestock
GB2157536B
(en )
1987-07-15
A dog's water closet
FR2577757B1
(en )
1987-05-15
DEVICE FOR PURIFYING WATER FROM FISH CELLS
FR2599588B1
(en )
1990-08-10
PROCESS FOR BREEDING AQUATIC ORGANISMS
IT1167064B
(en )
1987-05-06
WATER COLLECTION DEVICE FOR THE DRINKING OF ANIMALS
GB8716573D0
(en )
1987-08-19
Biological purification of waste waters
GB8510794D0
(en )
1985-06-05
Animals drinking water bowl
BG43766A1
(en )
1988-08-15
Method for biological cleaning of waste waters
KR890000050U
(en )
1989-03-02
Fish tank water purifier
KR880004592U
(en )
1988-05-10
Water Purifier for Garden Pond
YU80085A
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1987-10-31
Device for aerobic cleaning of waste water
GB2201408B
(en )
1991-03-20
Purification of drinking water