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Wastewater treatment plants - Part 7: Biological fixed-film reactors
STANDARD published on 1.3.2003
Designation standards: ČSN EN 12255-7
Classification mark: 756403
Catalog number: 66401
Publication date standards: 1.3.2003
SKU: NS-139822
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Norma stanoví zásady navrhování a požadavky na provádění druhého stupně čištění biofilmovými reaktory čistíren odpadních vod pro více než 50 EO
1.9.2009
WITHDRAWN
1.8.2013
WITHDRAWN
1.9.2013
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1.4.1996
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1.10.2001
4.1.1991
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