German standard methods for the examination of water, waste water and sludge; bio-assays (group L); surfactant biodegradation and elimination test for simulation of municipal waste water treatment plants (L 26)
Edition 1994-05

Petroleum and natural gas industries - Rotary drilling equipment - Part 2: Inspection and classification of used drill stem elements (ISO 10407-2:2008 + Cor. 1:2009); English version EN ISO 10407-2:2008 + AC:2009, only on CD-ROM
Edition 2010-08

Quality management systems - Guidelines for the application of ISO 9001:2008 to crop production (ISO 22006:2009)
Edition 2012-02

Fans; technical delivery conditions
Edition 1989-01

Ships and marine technology - Inland navigation vessels - Lifebuoy housings (ISO 18421:2016)
Edition 2016-08

Testing of lubricants - Testing in the Shell four-ball tester - Part 6: Determination of shear stability of lubricating oils containing polymers
Edition 1996-08

Geotextiles and geotextile-related products - Characteristics required for use in drainage systems; German version EN 13252:2016
Edition 2016-12

Geotextiles and geotextile-related products - Characteristics required for use in the construction of roads and other trafficked areas (excluding railways and asphalt inclusion); German version EN 13249:2016
Edition 2016-12

Multimedia systems - Common communication protocol for inter-connectivity on heterogeneous networks (IEC 62295:2007); German version EN 62295:2009
Edition 2010-02

Railway applications - Braking - Automatic variable load sensing devices; German version EN 15625:2021
Edition 2021-04