Instrument transformers for 50 Hz, Uₘ 0,72 kV to 52 kV - Part 1: Basic requirements
Edition 2013-10

Instrument transformers for 50 Hz, Uₘ of 72,5 kV and above - Basic requirements
Edition 2003-09

Basic principles for the design of line scales and pointers
Edition 1991-01

Harmonized system of quality assessment for electronic components; generic specification: space-charge controlled tubes
Edition 1977-04

Harmonized system of quality assessment for electronic components; generic specification: cold cathode indicator tubes
Edition 1977-11

Testing of clad steels; determination of shear strength between cladding metal and parent metal in shear test
Edition 1978-09

Coatings for radiators - Part 1: Terms, requirements and tests for primers and industrially applied priming coats
Edition 2018-11

Fundamental standards for optics - Determination of focal length
Edition 2020-04

Photometers for analytical tests; used physical-chemical basic processes
Edition 1988-05

Textiles, basic terms and definitions
Edition 1969-01