Preinsulated bonded pipe systems for underground hot water networks - Pipe assembly of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene; German version EN 253:1994— 20 стр.
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene; German version EN 253:2003 + A1:2005— 48 стр.
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene; German version EN 253:2003— 47 стр.
Textiles - Determination of the abrasion resistance of fabrics by the Martindale method - Part 1: Martindale abrasion testing apparatus (ISO 12947-1:1998); German version EN ISO 12947-1:1998— 15 стр.
Textiles - Determination of the abrasion resistance of fabrics by the Martindale method - Part 1: Martindale abrasion testing apparatus (ISO 12947-1:1998+Cor. 1:2002); German version EN ISO 12947-1:1998+AC:2006— 25 стр.