German standard methods for the examination of water, waste water and sludge - Test methods using water organisms (group L) - Part 59: Algal growth inhibition test on microplate with unicellular green fresh water algae (L 59)
Edition 2022-12

Letter symbols in data sheets for electronic tubes
Edition 1971-05

Marking of secondary cells and batteries with the international recycling symbol ISO 7000-1135 (IEC 61429:1995); German version EN 61429:1996
Edition 1997-11

Rapid methods for the dairy laboratory - General basic conditions and requirements for use
Edition 2004-10

Air braking systems - Charging valves
Edition 2001-04

Spiralled hoses made of thermoplastic polyurethan (TPU) with steel wire reinforcement for granulated and powdered materials - Requirements
Edition 2016-04

Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials - Part 1: Extraction of amorphous iron oxides and hydroxides with ascorbic acid (ISO 12782-1:2012); German version EN ISO 12782-1:2012
Edition 2012-09

Sealing caps for grape-juice bottles and balloons
Edition 1978-08

Fertilizers and liming materials - Determination of selected elements by inductively-coupled plasma mass spectrometry (ICP-MS)
Edition 2022-02

Road operation machinery - Safety - Requirements and test criteria for intermediate post mowers
Edition 2024-08