Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 3: Gauges (IEC 60061-3:1969 + supplements A:1970 to U:1997 + A20:1998 to A57:2020 + A58:2020, modified); German version EN 60061-3:1993 + A1:1995 to A7:1997 + A20:1998 to A57:2020 + A58:2020
Edition 2021-04

Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO 17994:2014); German version EN ISO 17994:2014
Edition 2014-06

Helical springs made of round wire and rod - Cold coiled torsional springs (leg springs) - Quality specifications
Edition 2002-08

Particle characterization - Micropore analysis by gas adsorption - Part 3: Determination of the micropore volume according to Dubini and Radushkevich
Edition 2001-06

Aerospace; rivets, 100° countersunk head, reduced, aluminium and aluminium alloys; metric series
Edition 1989-04

Testing of carbonaceous materials - Determination of the coefficient of permeability by means of the vacuum-decay method with air as experimental gas - Solid materials
Edition 2019-07

Medical gloves for single use - Part 4: Requirements and testing for shelf life determination; German version EN 455-4:2009
Edition 2009-10

Cigarettes - Determination of loss of tobacco from the ends - Part 1: Method using a rotating cylindrical cage (ISO 3550-1:1997)
Edition 2005-02

Letter symbols to be used in electrical technology - Part 3: Logarithmic quantities (IEC 25/524/CD:2015)
Edition 2015-08

Aerospace; rivets, 100° countersunk head, aluminium and aluminium alloys; metric series
Edition 1989-04