State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring heat conductivity of solid bodies in the range of 0,1 to 5 W/(m.K) at temperatures from 90 to 500 K and in the range from 5 to 20 W/(m.K) at temperatures from 300 to 1100 K
Specification for radio disturbance and immunity measuring apparatus and methods. Part 1-1. Radio disturbance and immunity measuring apparatus. Measuring apparatus
