DIN 21908 Mine plans - Colours*, 2021-11-01 Update
DIN 2403 Identification of pipelines according to the fluid conveyed*, 2018-10-01 Update
DIN 2425-1 Plans for public supplies, for water engineering and for transmission lines; plans for public pipesystems for gas and water supply
DIN 2425-3 Plans for Public Utilities, Water Resources and Long-distance Lines; Plans for Long-distance Pipelines, Technical Regulation of the DVGW (German Gas and Water Engineers Association)
DIN 21911:2008 history
2008DIN 21911:2008-03 Mine plans - Objects on the surface and contour lines
2008DIN 21911:2008 Mine plans - Objects on the surface and contour lines