Explosive atmospheres. Part 20-1. Material characteristics for gas and vapour. Classification. Test methods and data
Document status: Active
Radio-frequency cable type PK 75-13-32. Specifications
Document status: Active
Electric generating sets with internal combustion engines. System of a legend
Document status: Active
Conformity assessment system for the use of nuclear energy. Conformity assessment in the form of examination. Unified procedures. Radiographic examination
Document status: Active
Radio-frequency cable type PK 50-4-11. Specifications
Document status: Active