Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors; German version EN 12693:2008— 62 стр.
Couplings for compressed air - Claw coupling, 42 mm internal width, with securing nut - Coupling with male, female and hose connection ends, joint ring— 8 стр.
Building hardware - Lever handle units for fire doors and smoke control doors - Terms and definitions, dimensions, requirements, testing and marking— 10 стр.