GOST 20930-75

State system for ensuring the uniformity of measurements. Optics and photonics. Interferometric measurement of optical elements and systems. Part 1. Terms, definitions and fundamental relationships

Sound broadcasting digital. Coding of signals of sound broadcasting with reduction of redundancy for transfer on digital communication channels. Part III (MPEG-4 audio). Oversampled audio

System technology software development and production of statement on space technology. Terms and definitions

Electrochemical copy-piercing machines. Basic dimensions

Clips for ball-socket couplings of line hardware and insulators. Specifications

Chromium ores and concentrates. General requirements for methods of chemical analysis