2015NF G52-222-1:2015 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1 : determination of certain aromatic amines derived from azo colorants
2011NF A89-201:2011 Destructive tests on welds in metallic materials - Longitudinal tensile test on weld metal in fusion welded joints.
1995NF A89-201:1995 Destructive tests on welds in metallic materials. Longitudinal tensile test on weld metal in fusion welded joints.