Telecontrol equipment and systems - Part 6: Telecontrol protocols compatible with ISO standards and ITU-T recommendations; section 502: TASE.1 protocol definitions (IEC 60870-6-502:1995); German version EN 60870-6-502:1996
Edition 1997-08

Industrial communication networks - Profiles - Part 3-6: Functional safety fieldbuses - Additional specifications for CPF 6 (IEC 61784-3-6:2010); English version EN 61784-3-6:2010
Edition 2011-08

Verification of geometrical parameters - Dial indicator for linear mesurement - Part 1: With mechanical indication
Edition 1999-06

Verification of geometrical parameters - Micrometers - Part 2: Micrometer callipers heads, Depth micrometer; concepts, requirements, testing
Edition 1999-04

Inclination measuring instruments (levels)
Edition 1986-06

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Transaction Capabilities (TC); Application Service Element (ASE) for Message Waiting Indication (MWI) supplementary service - Part 1: Protocol specification; English version ETS 300754-1:1997
Edition 1998-08

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Transaction Capabilities (TC) version 2 - Part 1: Protocol specification (ITU-T Recommendations Q.771 to Q.775 (1993), modified); English version ETS 300287-1:1996
Edition 1997-11

Industrial communication networks - Fieldbus specifications - Part 6-18: Application layer protocol specification - Type 18 elements (IEC 61158-6-18:2010); English version EN 61158-6-18:2012, only on CD-ROM
Edition 2013-03

Industrial communication networks - Profiles - Part 3-2: Functional safety fieldbuses – Additional specifications for CPF 2 (IEC 61784-3-2:2021); English version EN IEC 61784-3-2:2021
Edition 2023-04

Space engineering - SpaceWire - Remote memory access protocol; English version EN 16603-50-52:2014
Edition 2014-12