Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-19: Examinations and measurements; Polarization dependence of return loss of a single mode fibre optic component (IEC 61300-3-19:1997); German version EN 61300-3-19:1997
Edition 1997-10

Measurement microphones - Part 1: Specifications for laboratory standard microphones (IEC 61094-1:2000); German version EN 61094-1:2000
Edition 2001-08

Trap seals for special uses - Requirements and test methods
Edition 2004-12

Spacer textiles - Part 2: Determination of air resistance
Edition 2021-10

Determination of the aromatic hydrocarbon content of new mineral insulating oils; identical with IEC 60590, edition 1977
Edition 1986-09

Vacuum technology; terms and definitions, surface analysis techniques
Edition 1980-10

Determination of the degree of dispersion of metals using chemisorption - Part 2: Volumetric method
Edition 2007-01

Sealing test for pressurized waveguide; tubing and assemblies; identical with IEC 60261:1989; german version HD 138 S2:1990
Edition 1991-05

Fireplaces fired by solid fuel - Independent supply through the room air - Part 1: Roomheaters
Edition 2005-06

Fireplaces fired by solid fuel - Woodpellet-fired independent heaters - Requirements, testing and marking
Edition 2005-02