Aerospace series - Unmanned aircraft systems (UAS) - Part 1: Terms and definitions; Text in German and English
Edition 2021-01

Aerospace series - Unmanned Aircraft Systems - Part 001: Product requirements and verification; English version prEN 4709-001:2021
Edition 2021-08

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - Generic functional protocol- Core aspects - Part 1: Protocol specification [ITU-T Recommendation Q.2932.1, modified]; English version ETS 300796-1:1997
Edition 1998-07

European digital cellular telecommunications system (Phase 2) - Mobile Station - Base Station System (MS-BSS) interface - General aspects and principles; English version ETS 300550:1994
Edition 1995-01

Petroleum, petrochemical and natural gas industries - Axial and centrifugal compressors and expander-compressors - Part 4: Expander-compressors (ISO 10439-4:2015); English version EN ISO 10439-4:2015
Edition 2015-05

European digital cellular telecommunications system (Phase 2) - Signalling requirements relating to routeing of calls to mobile subscribers; English version ETS 300524:1994
Edition 1995-01

Petroleum, petrochemical and natural gas industries - Axial and centrifugal compressors and expander-compressors - Part 2: Non-integrally geared centrifugal and axial compressors (ISO 10439-2:2015); English version EN ISO 10439-2:2015
Edition 2015-05

Petroleum, petrochemical and natural gas industries - Axial and centrifugal compressors and expander-compressors - Part 3: Integrally geared centrifugal compressors (ISO 10439-3:2015); English version EN ISO 10439-3:2015
Edition 2015-05

Private Telecommunication Network (PTN); signalling at the S-reference point; generic keypad protocol for the support of supplementary services; English version ETS 300190:1992
Edition 1993-09

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7 - B-ISDN User Part (B-ISUP) Capability Set 1 (CS1); Basic services (ITU-T Q.2761 to Q.2764:1995, modified); English version ETS 300656:1997
Edition 1998-02