Soil quality - Determination of dehydrogenases activity in soils - Part 1: Method using triphenyltetrazolium chloride (TTC) (ISO 23753-1:2019 + Amd.1:2020); German version EN ISO 23753-1:2019 + A1:2020
Edition 2021-03

District heating pipes - Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks - Part 1: Design; German version EN 13941-1:2019+A1:2021
Edition 2022-06

Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique); German version EN 15204:2006
Edition 2006-12

Respiratory protective devices - Continuous flow compressed air line breathing devices - Requirements, testing and marking; German version EN 14594:2018
Edition 2018-07

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Supplementary service interactions - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300669-2:1996
Edition 1997-09

Small steam sterilizers; German version EN 13060:2014+A1:2018
Edition 2019-02

Broadband Integrated Services Digital Network (B-ISDN); signalling ATM Adaptation Layer (SAAL); service Specific Co-ordination Function (SSCF) for support of signalling at the User-Network Interface (UNI) - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300437-2:1996
Edition 1997-04

Unfired pressure vessels - Part 8: Additional requirements for pressure vessels of aluminium and aluminium alloys; German version EN 13445-8:2021
Edition 2021-12

Unfired pressure vessels - Part 6: Requirements for the design and fabrication of pressure vessels and pressure parts constructed from spheroidal graphite cast iron; German version EN 13445-6:2021
Edition 2021-12

Methods for Testing and Specification (MTS) - Protocol and profile conformance testing specifications - Standardization methodology; English version ETS 300406:1995
Edition 1996-01