GOST 21178-2006

System of product-quality indices. Sets for measurement of electrical and magnetic quantities. Nomenclature of indices

Sound broadcasting digital. Coding of signals of sound broadcasting with reduction of redundancy for transfer on digital communication channels. A part III (MPEG-4 audio). Main positions

Fluorite. Method for the determination of sulphide sulphur content

Unified system of corrosion and ageing protection. Corrosion protection of parts made of super high and high-strength steels by diffusion treatment with zinc. General requirements for flow process

Refractory clays and kaolins for production of refractories. Acceptance rules and methods of sampling

Fibre abrasive disks. Specifications