Telecontrol equipment and systems - Part 6: Telecontrol protocols compatible with ISO standards and ITU-T recommendations; section 501: TASE.1 service definitions (IEC 60870-6-501:1995); German version EN 60870-6-501:1996
Edition 1997-08

Reliability of fibre optic interconnecting devices and passive optical components - Part 7: Life stress modeling (IEC 62005-7:2004); German version EN 62005-7:2004
Edition 2004-12

Writing and typesetting of formulae
Edition 2011-03

Demonstration of dependability requirements - The dependability case (IEC 62741:2015); German version EN 62741:2015
Edition 2015-10

Measurement and control; performance tests on process computer systems; time measurement; function tested: sine calculation
Edition 1987-01

Thermal spraying - Recommendations for constructional design of components with thermally sprayed coatings; German version EN 15520:2024
Edition 2024-09

Electrical ingeneering; basic environmental testing procedures; tests; guidance to test Kd: hydrogen sulphide H₂S (high concentration) for electrical contacts and connections; identical with IEC 60068-2-46, edition 1982
Edition 1985-08

Electrical engineering; basic environmental testing procedures; guidance to test Kc: sulphur dioxide SO₂ (high concentration) for electrical contacts and connections; indentical with IEC 68-2-49, edition 1983
Edition 1985-08

Non-destructive testing - Evaluation of testing data - Guideline to estimate the reliability of applications; Text in English
Edition 2025-10

Indexing for describing the contents of documents; coordinate indexing with descriptors
Edition 1988-09