Value management - Functional expression of the need and functional performance specification - Requirements for expressing and validating the need to be satisfied within the process of purchasing or obtaining a product; German version EN 16271:2012
Edition 2013-03

Biotechnology - Performance criteria for piping and instrumentation - Part 5: Valves; German version EN 13312-5:2001
Edition 2001-07

Biotechnology - Performance criteria for piping and instrumentation - Part 4: Tubes and pipes; German version EN 13312-4:2001
Edition 2001-07

Biotechnology - Performance criteria for piping and instrumentation - Part 3: Sampling and inoculation devices; German version EN 13312-3:2001
Edition 2001-07

Biotechnology - Performance criteria for vessels - Part 5: Kill tanks; German version EN 13311-5:2001
Edition 2001-06

Biotechnology - Performance criteria for piping and instrumentation - Part 2: Couplings; German version EN 13312-2:2001
Edition 2001-07

Biotechnology - Performance criteria for piping and instrumentation - Part 1: General performance criteria; German version EN 13312-1:2001
Edition 2001-07

Biotechnology - Performance criteria for vessels - Part 4: Bioreactors; German version EN 13311-4:2001
Edition 2001-06

Biotechnology - Performance criteria for vessels - Part 1: General performance criteria; German version EN 13311-1:2001
Edition 2001-06

Fertilizers - Determination of water content (Karl Fischer methods) - Part 1: Methanol as extracting medium; German version EN 13466-1:2001
Edition 2002-01