State system for ensuring the uniformity of measurements. Method of measurements of relative dielectric permittivity and tangent of dielectric dissipation angle of solid dielectrics made of thin leafed materials in the frequency band from 9 to 10 GHz
Electrical installations of buildings. Part 4. Protection for safety. Chapter 44. Protection against overvoltages. Section 443. Protection against overvoltages of atmospheric origin or due to switching
