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BS EN 488:2011

Заменен
District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene — 36 стр.
ICS
23.060.01 Valves in general / Клапаны в целом
91.140.60 Water. Including water meters in buildings / Системы водоснабжения. Включая счетчики воды в зданиях