Plugs and socket-outlets for household and similar purposes. Part 2-6. Particular requirements for switched socket-outlets with interlock for fixed electrical installations and methods of tests
Thermoplastics pipes and fittings. Vicat softening temperature. Part 2. Test conditions for unplasticized polyvinylchloride, chlorinated polyvinylchloride pipes and fittings and high impact polyvinylchloride pipes
