GOST 28391-89

Plain bearings. Hardness testing of bearing metals. Compound materials

Systems of water treatment for pharmaceutical use. Requirements for production, storage and distribution of purified water and water for injections

State system for ensuring the uniformity of measurements. Single-crystal silicon nanometer range relief measures. Requirements for geometrical shapes, linear sizes and manufacturing material selection

Pneumatic tire. Method of identifying of main sizes

Spherical ellipsoidal end milling cutters with carbide bits for cutting hardworking steels and alloys. Design and dimensions

Radiator tubes. Technical requirements