Quality management systems - EN ISO 9001:2015 for healthcare; German version EN 15224:2016
Edition 2017-05

Acoustic quality in rooms - Specifications and instructions for the room acoustic design
Edition 2016-03

Calculation of load capacity of cylindrical gears; endurance limits and material qualities
Edition 1987-12

Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 3: Sound propagation and noise prediction in workrooms (ISO/TR 11690-3:1997); German version EN ISO 11690-3:1998
Edition 1999-01

Classification of non-electrical sources of incoherent optical radiation; German version EN 16237:2013
Edition 2013-04

Fundamentals of maintenance
Edition 2019-06

Indoor air - Part 40: Indoor air quality management system (ISO 16000-40:2019)
Edition 2019-12

Petroleum products and hydrocarbon solvents - Detection of thiols and other sulfur species - Doctor test (ISO 5275:2003)
Edition 2005-10

Testing of mineral products - Determination of grade of purity by gaschromatography - Part 2: Cetane and 1-Methyl-naphthaline
Edition 2004-09

Building acoustics - Estimation of acoustic performance of buildings from the performance of elements - Part 6: Sound absorption in enclosed spaces; German version EN 12354-6:2003
Edition 2004-04