Special radiotherapy equipments - Part 20: Proton therapy - Rules for construction of structural radiation protection
Edition 2016-08

Rims for motor vehicles, trailers and agricultural vehicles; flange C, D E and F; rim diameter code 14 to 20
Edition 1982-03

Rims for motor vehicles and trailers; semi drop center type; rim diameter 16, 20 and 24
Edition 1983-10

Metal-cutting Tools; Hobs for Spur Gears, with Clutch Drive Slot or Keyway, Modules 1 to 20
Edition 1955-01

Platform scales - Part 1: Platform sizes, capacity up to 20 t
Edition 2007-07

Round punches with straight shaft up to 20 mm cutting diameter
Edition 1992-07

Fire fighting vehicles - Part 8: Group pumping appliance LF 20 KatS for the disaster prevention
Edition 2021-01

Fire-fighting vehicles - Part 11: Group pumping appliance LF 20
Edition 2019-11

Fire-fighting vehicles - Part 27: Group pumping appliance for rescue operations HLF 20
Edition 2019-11

Fire-fighting equipment for fire-fighting and rescue service vehicles - Part 20: Window opening tool chest
Edition 2021-08