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BS EN 448:2003

Заменен
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 — 32 стр.
BS EN 448:1995
Заменен
BS EN 448:2003
Заменен
BS EN 448:2009
Заменен