Integrated Services Digital Network (ISDN) - Attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access - Layer 3 aspects; English version ETS 300104:1991/A1:1994
Edition 1994-11

Public Switched Telephone Network (PTSN) - Category II specification for 1200 bits per second duplex modems standardized for use on the PSTN; English version ETS 300116:1996
Edition 1997-08

Integrated Services Digital Network (ISDN) - Basic call control procedures for circuit-switched bearer services - Functional capabilities and information flows [ITU-T Recommendation Q.71 (1993), modified]; English version ETS 300350:1995
Edition 1995-11

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Enhanced Radio MEssage System (ERMES) - Part 6: Base station conformance specification; English version ETS 300133-6:1997
Edition 1998-12

Network Aspects (NA) - Metropolitan Area Network (MAN) - Conformance specification for the Medium Access Control (MAC) layer management; English version ETS 300274:1994
Edition 1994-10

Private Telecommunication Network (PTN) - Reference configuration - Part 1: Reference configuration for PTN eXchanges (PTNX) [ISO/IEC 11579-1 (1994), modified]; English version ETS 300475-1:1995
Edition 1996-06

German standard methods for the examination of water, waste water and sludge; anions (group D); determination of dissolved silicate by spectrometry (D 21)
Edition 1990-10

Aluminium and aluminium alloys - Finstock - Part 3: Tolerances on dimensions and form; German version EN 683-3:2006
Edition 2007-03

Terminal Equipment (TE) - Telephony for hearing impaired people - Characteristics of telephone sets that provide additional receiving amplification for the benefit of the hearing impaired; English version ETS 300488:1996
Edition 1996-08

Industrial liquid-in-glass thermometers with round or V-shaped cade; requirements and testing
Edition 1991-09