GOST 6433.1-1971 Solid electrical insulating materials. Environmental conditions at preparation of samples and testing
GOST 6433.2-1971 Solid electrical insulating materials. Methods for evaluation of electrical resistance at d. c. voltages
GOST 6433.3-1971 Solid electrical insulating materials. Methods for evaluation of electrical strength at a. c. voltage at power (50 Hz) frequency and d. c. voltage
GOST 6433.4-1971 Solid electrical insulating materials. Methods for evaluation of dielectric power factor and permittivity at power (50 Hz) frequency
GOST 27133-1986 history
1986GOST 27133-1986 Reeled laminated electrical insulating materials. General specifications