Aerospace; classification of special workshop facilities; process group G: inspection
Edition 1989-11

Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) information model of the Sub Network Connection Protection (SNCP) for the Network Element (NE) view; English version ETS 300493:1996
Edition 1997-01

Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) Network protection schemes - Automatic Protection Switch; APS protocols and operation; English version ETS 300746:1997
Edition 1997-12

Semiconductor devices - Part 15: Discrete devices - Isolated power semiconductor devices (IEC 47E/812/CDV:2023); German and English version prEN IEC 60747-15:2023
Edition 2024-06