Ventilation for buildings - Test procedures and measurement methods to hand over air conditioning and ventilation systems; German version EN 12599:2012— 87 стр.
Medical electron accelerators - Part 2: Structural requirements for radiation protection and requirements for testing of approval conditions for operation— 53 стр.
Medical electron accelerators - Part 2: Structural requirements for radiation protection and requirements for testing of approval conditions for operation— 53 стр.