GOST 28717-90

Reflective thermal insulation materials with aluminium foil facing. General specifications

Optics and photonics. Lasers and laser-related equipment. Method for measurement of phase difference introduced into the polarized laser radiation

Digital paths of the initial distribution of programs of a sound broadcasting, organized by fiber optical, satellite, radiorelay and cable systems of transfer. Terms and definitions. Structure. Basic parameters. Methods of measurement

Pillow blocks of series UB for rolling bearings of diameters from 85 till 150 mm. Construction and dimensions

Steel structures of suspended transport tracks. Specifications

Self-defence gas arms. Mechanical sprayers, gas-pressure and other devices with teary or irritating materials. Safety requirements. Types and methods of control during safety certification tests