ATV A 135 : 1989
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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PRINCIPLES FOR THE DIMENSIONING OF BIOLOGICAL FILTERS AND BIOLOGICAL CONTACTORS WITH CONNECTION VALUES OVER 500 POPULATION EQUIVALENTS
Published date
12-01-2013
Superseded date
01-09-2001
Superseded by
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| DevelopmentNote |
25-page German-only DRAFT issued Dec99.
|
| DocumentType |
Standard
|
| PublisherName |
German Association for Water, Wastewater and Waste
|
| Status |
Superseded
|
| SupersededBy |
| BS EN 12255-7:2002 | Wastewater treatment plants Biological fixed-film reactors |
| EN 12255-7:2002 | Wastewater treatment plants - Part 7: Biological fixed-film reactors |
| I.S. EN 12255-7:2002 | WASTEWATER TREATMENT PLANTS - PART 7: BIOLOGICAL FIXED-FILM REACTORS |
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