Pipe Joints and Elements for High Density Polyethylene (HDPE) Pressure Pipelines, Types 1 and 2; Pipe Bends of Segmental Construction for Butt-welding, Dimensions— 3 стр.
Pipe Joints and Elements for Polypropylene (PP) Pressure Pipelines, Types 1 and 2; Bends of Segmental Construction for Butt-welding, Dimensions— 2 стр.
Pipe joint assemblies and fittings for types 1 and 2 polypropylene (PP) pressure pipes; tees and branches produced by segment inserts and necking for butt welding; dimensions— 4 стр.
Pipe joint assemblies and fittings for types 1 and 2 high-density polyethylene (HDPE) pressure pipes; tees and branches produced by segment inserts and necking for butt welding; dimensions— 4 стр.
Gas-fired central heating boilers - Type B<(Index)11> and B<(Index)11BS> boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW; German version EN 297:1994 + A1:1994 + A2:1996 + A3:1996— 74 стр.
Gas-fired central heating boilers - Type B<(Index)11> and B<(Index)11BS> boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW; German version EN 297:1994— 63 стр.
Specification and approval of prodedures for welding metallic materials; part 1: general rules for fusion welding; german version EN 288-1:1992— 9 стр.
Sampling for the purpose of determining the concentration of air pollutants within the operator's breathing zone during welding and allied processes— 6 стр.