
Wastewater treatment plants - Part 7: Biological fixed-film reactors.
NORMA vydaná dňa 28.3.2003
Designation standards: UNE-EN 12255-7:2003
Publication date standards: 28.3.2003
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE