Fixed resistors for use in electronic equipment. Part 7. Sectional specification: fixed resistor networks in which not all resistors are individually measurable
Thermal insulating products. Methods for determination of dimensional stability under constant normal laboratory conditions (at temperature +23 °C and relative humidity 50 %)
Occupational safety standards system. Respiratory protective devices. Valved filtering half masks to protect against gases and or gases and particles. General specifications
State system of ensuring the uniformity of measurements. Standard frequency and time signals radiated by specialized radio stations of the State service of time, frequency and the Earth rotation parameters determination. Time code
