Catalog of standards
Catalog of standards | Group code | Title |
| 77.020 | Production of metals |
| 77.040 | Testing of metals |
| 77.060 | Corrosion of metals |
| 77.080 | Ferrous metals |
| 77.100 | Ferroalloys |
| 77.120 | Non-ferrous metals |
| 77.140 | Iron and steel products |
| 77.150 | Products of non-ferrous metals |
| 77.160 | Powder metallurgy |
| 77.180 | Equipment for the metallurgical industry |