Fibre optic interconnecting devices and passive components - Basic test
and measurement procedures - Part 3-29: Examinations and measurements -
Spectral transfer characteristics of DWDM devices
Information technology for learning, education and training — Human
factor guidelines for virtual reality content — Part 1: Considerations
when using VR content
Amendment 1 - Household and similar electrical appliances - Safety -
Part 2-49: Particular requirements for commercial electric appliances
for keeping food and crockery warm
Electricity metering - Data exchange for meter reading, tariff and load
control - Part 52: Communication protocols management distribution line
message specification (DLMS) server