GOST 27975-88

Diamond grinding wheels, dish (diamond in periphery) wheel shape 12D9. Basic dimensions

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

Unified system of design documentation. Rules for presentation of vacuum schemes

General purpose oil sealed power transformers to 1600 kV x A for voltage to 22 kV. Main parameters and general technical requirements

Strips of aluminium bronze for springs. Specifications

Chucks for screw cutting on lathes. Design and dimensions