| Sanitary Protection Zones for Water Supply Sources and Drinking Water Supply Lines
Зоны санитарной охраны источников водоснабжения и водопроводов хозяйственно - питьевого назначения |
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GOST 21.101-97Construction Design and Estimate Documentation. … |
GGTN N 60 от 05.06.2003Decree N 60 of Gosgortechnadzor dated … |
GOST 17217–79Copper-nickel alloyed tubes. Grade mnzh5-1. … |