Norme NF L 15-340Norme NF L 15-510Norme NF L 15-511Norme NF L 15-512Norme NF L 15-530Norme NF L 15-540Norme NF L 15-610Norme NF L 15-611Norme NF L 15-612Norme NF L 15-620Norme NF L 15-621
适用范围
Part Number Codification for Standardized non Ferrous Alloys Semi-Finished Products Used in Aeronautical Constructions