GOST 21880-94

Units of lower-limb orthoses. Technical requirements and test methods

United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Local automation devices for preventing stability violations. Norms and requirements

Highway tunnels. Construction and equipment clearance diagrams

The Global Navigation Satellite Systems. Radionavigation complex spatial orientation users on the water transport. Technical requirements, methods of testing and required test results

Stationary lead-acid batteries. Part 22. Valve regulated types. Requirements

Data transmission equipment signal conversion modules for a 64 Kbit/s basic digital channel. Types and basic parameters