Tunnel boring machines - Air locks - Part 1: Requirements for air locks utilising compressed air as the pressurising or breathing medium along with requirements for oxygen breathing systems for decompression purposes; German and English version prEN 12110-1:2023
Edition 2023-03

Tunnel boring machines - Air locks - Part 2: Safety requirements for the use of non-air breathing mixtures and saturation techniques in personnel locks and for pressurised transfer shuttles; German and English version prEN 12110-2:2023
Edition 2023-03

Curtain walling - Watertightness - Laboratory test under static pressure; German version EN 12155:2000
Edition 2000-10

Printing and business paper - Requirements for copy paper for dry toner imaging processes; German version EN 12281:2002
Edition 2003-01

Printing and business paper - Determination of toner adhesion; German version EN 12283:2002
Edition 2003-01

Testing hardened concrete - Part 8: Depth of penetration of water under pressure; German version EN 12390-8:2019
Edition 2019-10

Railway applications - Tank wagons - Part 3: Bottom filling and emptying devices for gases liquefied under pressure; German version EN 12561-3:2011
Edition 2011-10

Machinery for the supply and circulation of coating materials under pressure - Safety requirements; German version EN 12621:2006+A1:2010
Edition 2011-07

Bituminous mixtures - Test methods - Part 25: Cyclic compression test; German version EN 12697-25:2016
Edition 2016-12

Paper - Printing and business paper - Requirements for continuous stationery; German version EN 12858:1999
Edition 1999-06