Letter symbols to be used in electrical technology - Part 3: Logarithmic and related quantities, and their units (IEC 60027-3:2002); German version HD 60027-3:2004
Mechanical splices and fusion splice protectors for optical fibres and cables - Part 1: Generic specification (IEC 61073-1:1999); German version EN 61073-1:2000— 28 стр.
Information technology - Coded graphic character set for use in the preparation of documents used in electrotechnology and for information interchange (IEC 61286:1995); German version EN 61286:1995— 11 стр.
Design of graphical symbols for use in the technical documentation of products - Part 1: Basic rules (ISO 81714-1:1999); German version EN ISO 81714-1:1999— 14 стр.