Fibre optic connector optical interfaces - Part 3-2: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical full zirconia ferrules for 8 degrees angled-PC single mode fibres (IEC 61755-3-2:2006, modified + Corrigendum 2009); German version EN 61755-3-2:2009
Edition 2009-08

Fibre optic connector optical interfaces - Part 3-1: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical full zirconia PC ferrule, single mode fibre (IEC 61755-3-1:2006, modified + Corrigendum 2009); German version EN 61755-3-1:2009
Edition 2009-08

Concrete kerb units; Requirements and test methods; German version EN 1340:2003, Corrigenda to DIN EN 1340:2003-08; German version EN 1340:2003/AC:2006
Edition 2006-11

Fibre optic interconnecting devices and passive components - Fibre optic connector optical interfaces - Part 3-7: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical PC composite ferrule using titanium as fibre surrounding material, single mode fibre (IEC 61755-3-7:2009); German version EN 61755-3-7:2009
Edition 2009-09

Geometrical design of cylindrical internal involute gear pairs; Diagrams for limits of internal gear - pinion type cutter matings
Edition 1981-08

Natural stone test methods - Determination of geometric characteristics on units; German version EN 13373:2020
Edition 2020-03

Denominations on Gears and Gear Pairs; General Definitions
Edition 1976-09

Aerospace series - Fitting end, 24° internal cone, external thread, flareless type - Extra fine thread pitch - Inch series - Design standard; German and English version EN 6123:2016
Edition 2016-08

Fibre optic connector optical interfaces - Part 3-1: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical full zirconia PC ferrule, single mode fibre (IEC 61755-3-1:2006, modified + Corrigendum 2009) (german version)
Edition 2009-10-01

Gears - Cylindrical involute gears and gear pairs - Concepts and geometry (ISO 21771:2007)
Edition 2014-08