Industrial communication networks - Fieldbus specifications - Part 4-25: Data-link layer protocol specification - Type 25 elements (IEC 61158-4-25:2019); English version EN IEC 61158-4-25:2019, only on CD-ROM
Edition 2020-08

Radio Equipment and Systems (RES) - Trans-European Trunked Radio (TETRA) - Packet Data Optimized (PDO) - Part 7: Security; English version ETS 300393-7:1997
Edition 1998-08

Energy management system application program interface (EMS-API) - Part 403: Generic data access (IEC 61970-403:2008); English version EN 61970-403:2008
Edition 2009-01

Enterprise-control system integration - Part 3: Activity models of manufacturing operations management (IEC 62264-3:2016); English version EN 62264-3:2017
Edition 2017-12

Electronic railway equipment - Train communication network (TCN) - Part 3-2: MVB (Multifunction Vehicle Bus) conformance testing (IEC 61375-3-2:2012); English version EN 61375-3-2:2012
Edition 2015-10

Distribution automation using distribution line carrier systems - Part 4-61: Data communication protocols; network layer; connectionless protocol (IEC 61334-4-61:1998); German version EN 61334-4-61:1998, Text in English
Edition 1999-08

Electronic railway equipment - Train communication network (TCN) - Part 2-1: Wire Train Bus (WTB) (IEC 61375-2-1:2012); English version EN 61375-2-1:2012
Edition 2015-06

OPC Unified Architecture - Part 11: Historical Access (IEC 62541-11:2020); English version EN IEC 62541-11:2020
Edition 2021-08

Petroleum and natural gas industries - Equipment for well cementing - Part 3: Performance testing of cementing float equipment (ISO 10427-3:2003); English version EN ISO 10427-3:2004
Edition 2005-09

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - Calling Line Identification Presentation (CLIP) supplementary service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300663-2:1996
Edition 1997-11