Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 specification for point-to-multipoint call/bearer control - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsement of the English version ETS 300771-3:1998-06 as German standard)
Edition 1999-11

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 specification for point-to-multipoint call/bearer control - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsement of the English version ETS 300771-5:1998-06 as German standard)
Edition 1999-11

Extended application of test results on durability of self-closing for fire resistance and/or smoke control doorsets and openable windows - Part 5: Durability of self-closing of hinged and pivoted timber doorsets; German version EN 17020-5:2023
Edition 2023-10

Broadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol - B-ISDN user-network interface layer 3 specification for point-to-multipoint call/bearer control - Part 1: Protocol specification [ITU-T Recommendation Q.2971 (1995), modified] (Endorsement of the English version EN 300771-1 V 2.0.1 (2000-04) as German standard)
Edition 2001-02

Broadband Integrated Service Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user network interface layer 3 specification for point-to-multipoint call/bearer control - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (Endorsement of the English version EN 300771-6 V 1.1.2 (1999-03) as German standard)
Edition 2000-12

Terminal Equipment (TE) - Integrated Services Digital Network (ISDN) - Multipoint communications for audiovisual services; main functionalities and basic requirements for Multipoint Control Units (MCUs); English version ETS 300483:1996
Edition 1996-12

Communication systems for meters - Part 1: Data exchange; German version EN 13757-1:2021
Edition 2022-10

Natural gas - Measurement of properties - Calorific value and Wobbe index (ISO 15971:2008); German version EN ISO 15971:2014
Edition 2014-09

Communication networks and systems for power utility automation - Part 7-1: Basic communication structure - Principles and models (IEC 61850-7-1:2011 + A1:2020); English version EN 61850-7-1:2011 + A1:2020
Edition 2022-12

Petroleum, petrochemical and natural gas industries - Steam turbines - Special-purpose applications (ISO 10437:2003); English version EN ISO 10437:2003
Edition 2005-07