Specification for conduit fittings for electrical installations - Part
2: Particular specifications - Section 2: Conduit fittings of insulating material
First supplement - Electrical equipment of machine-tools - Part 1:
Electrical equipment of machines for general use - Illuminated push
buttons - Symbols for use on diagrams
Electrical apparatus for use in the presence of combustible dust - Part
1-2: Electrical apparatus protected by enclosures and surface
temperature limitation - Selection, installation and maintenance
Information technology — Telecommunications and information exchange
between systems — Private telecommunications networks — Digital channel aggregation
Maritime navigation and radiocommunication equipment and systems -
Shipborne radar - Performance requirements, methods of testing and
required test results