Maritime navigation and radiocommunication equipment and systems - Automatic identification systems (AIS) - Part 3: Repeater stations - Minimum operational and performance requirements - Methods of test and required test results (IEC 62320-3:2015); English version EN 62320-3:2015
Edition 2015-11

Maritime navigation and radiocommunication equipment and systems - Digital interfaces - Part 3: Serial data instrument network (IEC 61162-3:2008); English version EN 61162-3:2008
Edition 2009-02

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Transaction Capabilities (TC) version 2 - Part 3: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification; English version ETS 300287-3:1996
Edition 1997-11

Geographic information - Land Administration Domain Model (LADM) - Part 3: Marine georegulation (ISO/DIS 19152-3:2023); English version prEN ISO 19152-3:2023
Edition 2023-07

Terminal Equipment (TE) - Programmable Communication Interface (PCI) APPLI/COM for facsimile group 3, facsimile group 4, teletex and telex services - Part 2: Conformance testing; English version ETS 300243-2:1995
Edition 1996-07

Industrial networks - Single-drop digital communication interface - Part 3: Wireless extensions (IEC 65C/1181/CDV:2022); English version prEN IEC 61139-3:2022
Edition 2023-04

Petroleum, petrochemical and natural gas industries - Lubrication, shaft-sealing and control-oil systems and auxiliaries - Part 3: General-purpose oil systems (ISO 10438-3:2007); English version EN ISO 10438-3:2007, with CD-ROM
Edition 2010-08

Open Systems Interconnection - Protocol for providing the connectionless-mode network service - Part 3: Provision of the underlying service by an X.25 subnetwork; identical with ISO/IEC 8473-3:1995
Edition 1996-06

Integrated Services Digital Network (ISDN) - Primary rate User-Network Interface (UNI) - Part 3: Implementation Conformance Statement (ICS) and Implementation eXtra Information for Testing (IXIT) proforma specification for interface IA and IB; English version ETS 300011-3:1998
Edition 1998-12

Power line communication systems for power utility applications - Part 3: Digital Power Line Carrier (DPLC) terminals and hybrid ADPLC terminals (IEC 62488-3:2021); English version EN IEC 62488-3:2021
Edition 2023-05