Electrical accessories—Circuit-breakers for overcurrent protection for household and similar installations—Part 3: Circuit-breakers for DC operation

Standard published on 31.10.2025

Square and rectangular keys

Standard published on 29.4.2003

Color paper processor

Standard published on 9.9.2005

Lead acid batteriesfor special type explosion proof power unit in coal mine--Product types and specification

Standard published on 31.3.1989

Woodruff keyways

Standard published on 5.6.2003

Optical systems--Determination of distortion

Standard published on 10.3.1989

Optical systems - Determination of parameters

Standard published on 30.9.2009

Veiling glare of optical systems - Methods of measurement

Standard published on 30.9.2009

Woodruff keys--Normal form

Standard published on 29.4.2003

Engineering electrostatic copiers

Standard published on 9.3.2022