Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-23: Examination and measurements - Fibre position relative to ferrule endface (IEC 61300-3-23:1998); German version EN 61300-3-23:1998
Edition 1999-04

Geometrical product specifications (GPS) - Geometrical tolerancing - Datums and datum systems - Amendment 1 (ISO 5459:2011/DAM 1:2022); German and English version EN ISO 5459:2011/prA1:2022
Edition 2022-11

Electrical networks; algebraification of topology and fundamentals of electrical network calculation
Edition 1988-04

Thermal performance of buildings and materials - Determination of specific airflow rate in buildings - Tracer gas dilution method (ISO 12569:2017); German version EN ISO 12569:2017
Edition 2018-04

Geometrical product specifications (GPS) - Geometrical tolerancing - Datums and datum systems (ISO/FDIS 5459:2024); German and English version prEN ISO 5459:2024
Edition 2024-06