Normas ISO

Earth-moving machinery — Symbols for operator controls and other displays — Part 2: Symbols for specific machines, equipment and accessories — Amendment 1: Additional symbols

Information security — Anonymous entity authentication — Part 3: Mechanisms based on blind signatures

Railway applications — Concrete sleepers and bearers for track — Part 2: Prestressed monoblock sleepers

Railway applications — Concrete sleepers and bearers for track — Part 1: General requirements

Intelligent transport systems — Data interfaces between centres for transport information and control systems — Platform-independent model specifications for data exchange protocols for transport information and control systems

Gaseous fire-extinguishing systems — Physical properties and system design — Part 17: Halocarbon Blend 55