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DIN EN 448:2009-07

Отменен
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene; German version EN 448:2009 — 38 стр.
ICS
23.040.40 Metal fittings / Металлические фитинги