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DIN 4807-5:1997-03

Действует
Expansion vessels - Part 5: Closed expansion vessels with membrane for drinking water installations; Requirements, test, design and designation; DVGW code of practice — 7 стр.
ICS
91.140.60 Water. Including water meters in buildings / Системы водоснабжения. Включая счетчики воды в зданиях