Attachment requirements for Data Terminal Equipment (DTE) to connect to Packet Switched Public Data Networks (PSPDN) using CCITT recommendation X.25 (1984) interface; requirements applicable to DTEs subscribing to Link Access Procedure Balanced (LAPB) extended (modulo 128) operation; english version ETS 300123:1991
Edition 1992-08

Attachment requirements for Data Terminal Equipment (DTE) to connect to Packet Switched Public Data Networks (PSPDN) using CCITT recommendation X.25 (1984) interface; requirements applicable to DTEs subscribing to Multilink operation; english version ETS 300124:1991
Edition 1992-08

Data communication - X.25 DTE conformance testing - General principles; identical with ISO/IEC 8882-1:1996
Edition 1997-06

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

Modular order for the development of mechanical structures for electronic equipment practices - Part 2-3: Sectional specification - Interface co-ordination dimensions for the 25 mm equipment practice - Extended detail specification - Dimensions for subracks, chassis, backplanes, front panels and plug-in units (IEC 60917-2-3:2006); German version EN 60917-2-3:2006
Edition 2007-02

Modular order for the development of mechanical structures for electronic equipment practices - Part 2: Sectional specification; interface coordination dimensions for the 25 mm equipment practice; section 2: Detail specification; dimensions for subracks, chassis, backplanes, front panels and plug-in units (IEC 60917-2-2:1994); German version EN 60917-2-2:1996
Edition 1996-06

Modular order for the development of mechanical structures for electronic equipment practices - Part 2: Sectional specification; interface coordination dimensions for the 25 mm equipment practice; section 1: Detail specification; dimensions for cabinets and racks (IEC 60917-2-1:1993); German version EN 60917-2-1:1995
Edition 1995-10

Conduit systems for cable management - Part 25: Particular requirements - Conduit fixing devices (IEC 61386-25:2011); German version EN 61386-25:201
Edition 2012-06

ISO general purpose metric screw threads - Part 25: Limits of sizes for fine pitch threads with the prefered tolerance classes; Nominal diameter from 182 mm to 250 mm
Edition 2005-08

Extenders and pigments for paper and board - Specifications and methods of test - Part 25: Silica gel
Edition 2007-07