Each standard name is identically structured: first the code with an abbreviation and serial number, then the year edition and finally the title.
NBN S 21-100-1:2021 Fire detection and fire alarm systems - Part 1
Code: NBN S (abbreviation) 21-100-1 (sequence number)
Annual Edition: 2021
Title: Fire detection and fire alarm systems - Part 1
TIP: Want to know what these abbreviations mean? Learn about the international standards bodies.