GOST 25645.113-2019

State system for ensuring the uniformity of measurements. State verification chain for measuring instruments of length and signal propagation time in optical fiber, average power, attenuation and wavelength of optic radiation for fiber-optical communication and data transmission systems

End mills with cylindrical, Morse taper and 7:24 taper shanks. Dimensions

Secondary batteries and battery installations. Safety requirements. Part 5. Safe operation of stationary lithium-ion batteries

Crystal silicon. General requirements for methods of chemical analysis

Grinding materials. Test methods of physical and physical-mechanical properties

Electronic design documentation. Types of transformations