Calculation of unfolded lenghts of inflected parts

Standard published on 6.9.1973

WITHDRAWN published on 1.9.1959

Public information guidance systems - Part 1: Design principles and element requirements for location plans, maps and diagrams

Standard published on 1.1.2012

Public information guidance systems - Part 2: Guidelines for the design and use of location signs and direction signs

Standard published on 1.7.2017

Graphical symbols - Safety colours and safety signs - Natural disaster safety way guidance system

Standard published on 1.5.2026

Safety code for working in chemical laboratories

Standard published on 1.8.2017

Zásady pro bezpečnou práci v chemických laboratořích.

Change published on 1.4.2021

Safety code for working in chemical laboratories

WITHDRAWN published on 1.10.2002

Safety code for working in laboratories

WITHDRAWN published on 11.4.1985

Graphical symbols - Test methods - Part 1: Methods for testing comprehensibility

Standard published on 1.1.2015