Civil defense. Engineering and technical equipment of protective structures of civil defense. Regulatory plugs. General technical requirements. Test methods
Production services. Services on construction of automatic fire protection systems, monitoring systems and output signals on the panel '01' and '112' centralized monitoring
State system for ensuring the uniformity of measurements. Relative dielectric permittivity the loss tangent of solid dielectrics. Procedure of measure from 10 in 9 degree to 10 in 10 degree Hz
