Heat meters - Part 6: Installation, commissioning, operational monitoring and maintenance (inludes amendment A1:2002); German version EN 1434-6:1997 + A1:2002— 17 стр.
Heat meters - Part 6: Installation, commissioning, operational monitoring and maintenance (inludes amendment A1:2002); German version EN 1434-6:1997 + A1:2002— 17 стр.