External utilities. Еlectrical installations. Cables with plasti cinsulating material for 35 kV including, laying in earth (in tube ditch). Work performancerules
State system for ensuring the uniformity of measurements. Interplanar spacings in crystals. Method for measurement by means of a transmission electron microscope
Electromagnetic compatibility of technical equipment. Distribution networks of television and sound receiving systems. Limits of electromagnetic disturbances, immunity requirements and test methods
