GOST 7399-97

Optics and optical instruments. Test lenses for calibration of focimeters. Part 2. Test lenses for focimeters used for measuring contact lenses

Isolating transformers and safety isolating transformers. Technical requirements

Safety in emergencies. Natural emergencies. Terms and definitions

Actuating pneumatic diaphragm-spring straight motion mechanisms SSI. Types. Basic parameters and dimensions

Complex quality control system. Conformity assessment of materials, semi-finished products and other products used in the process of manufacture of products for aircraft and other civil, defense and dual use equipment at enterprises-suppliers. General requirements

Information technology. Security techniques. Information security for supplier relationships. Part 2. Requirements