NA 119
DIN Standards Committee Water Practice
Technical rule
[CURRENT]
RAL-UZ 84b
RAL-UZ 84b
Basic Criteria for Award of the Environmental Label - Flushing Water Additives Compatible with Wastewater Treatment Plants
Title (German)
Vergabegrundlage für Umweltzeichen - Kläranlagenverträgliche Spülwasserzusätze