Graphical symbols for use in the engineering and related fields - Part 20: Plastics and rubber machinery
Edition 2003-05

Containers for multi-bucket system vehicles - Part 2: Standard containers with a nominal volume of 15 m3 and 20 m3
Edition 2016-02

Multi-bucket system vehicles, swivelling devices - General requirements and marking - Part 1: For standard containers with a nominal volume of 5 m³ to 20 m³
Edition 2022-10

German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of tidal waters (A 20)
Edition 1987-08

Testing of liquefied petroleum gases; calculation of density at 15 °C, 20 °C and 50 °C
Edition 1989-06

Extenders and pigments for paper and board - Specifications and methods of test - Part 20: Fumed silica
Edition 2007-07

Materials, finish and testing of medical instruments - Part 20: Instruments for use with trocars according to DIN 58298-19
Edition 2003-11

Quality management in medical microbiology - Part 20: Requirements for the use of control material for the examination of protozoae and microorganisms of higher order
Edition 1997-06

Gate valves flat sided of gun metall with screwed bonnet and flanges, DN 20 to DN 100, PN 16
Edition 2021-07

Metal strainers, DN 20 to 200 - Part 1: Assembly
Edition 2015-05