Russian standards PDF
Electronic tubes and microwave protection devices. Terms, definitions and latters symbols
Document status: Active
Character displays. Methods measuring brightness, luminous intensity, irregularity of brightness and irregularity of luminous intensity
Document status: Active
Earth upper atmospheres. Density model for ballistics support of flights of artificial Earth satellites
Document status: Withdrawn
Surface density and thickness measures for radioisotope thickness gauges specifications
Document status: Active
Continuous-wave lasers. Methods for measurement of radiation frequency instability
Document status: Active