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Standard mark: ČSN - Czech Republic

General (Click to show or hide)

CSN - československých státnich norem - standard of the Czech state.
A mark used since 1964 and given by ČAS - the Czech standards body.
After this sign, there usually appear European standards (such as EN124) or digits in which the type of device and its number are coded.

The site of Office for Standards, Metrology and Testing http://www.unmz.cz/urad/unmz

The Standard in the site (Click to show or hide)


An example of a cover that carries the standard on the "ultimate manhole covers" site. From this lid the picture that appears in the general section was taken.
There are 21 manhole covers in the site that has this standard mark
Click for all the covers with this standard

Click for the rest of the standards in the site

This standard can be found in the following 2 countries (in parentheses is the number of covers in the country):
 Czech Republic (11)     Slovakia (10)   

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