Civil defense. Engineering and technical equipment of civil defense protective structures. Pressure valves. General technical requirements. Test methods
Еlectromagnetic compatibility of technical equipment. Signalling on low-voltage electrical installations. Emission levels, frequency bands and electromagnetic disturbance levels
Electromagnetic compatibity of technical equipment. Immunity of radiocommunications equipment to electrostatic discharge, impulsive disturbances and dynamic voltage changes in supply networks. Requirements and test methods