Standards
[CURRENT]
NF P16-700-7
; NF EN 12255-7:2002-04-01
NF P16-700-7
; NF EN 12255-7:2002-04-01
Wastewater treatment plants - Part 7: biological fixed-film reactors
Title (German)
Kläranlagen - Teil 7: Biofilmreaktoren