About CEN
The European Committee for Standardization is one of three European Standardization Organizations (together with CENELEC and ETSI) that have been officially recognized by the European Union and by the European Free Trade Association (EFTA) as being responsible for developing and defining voluntary standards at European level.
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Catalogue of Published Standards
Optics and optical instruments - Reference wavelengths (ISO 7944:1998/Cor 1:2009)
Warning: CEN National Standardization Bodies have 6 months to implement European Standards from their publishing date.
