Normas ISO

Information technology — Open systems interconnection — Part 1: The Directory: Overview of concepts, models and services — Amendment 1: Miscellaneous enhancements

Wheelchairs — Part 25: Lead-acid batteries and chargers for powered wheelchairs — Requirements and test methods — Amendment 1: Range of charging voltage and range of the minimum and maximum rated DC output voltage for testing

Wood and wood-based products — Examples of calculating displacement potentials for wood-based products and considerations for further analyses

Information technology — Open systems interconnection — Part 12: The Directory: Key management and public-key infrastructure establishment and maintenance

Coal and coke — Determination of carbon and hydrogen — High temperature combustion method

Cybersecurity — Information and communication technology readiness for business continuity