Russian standards
Lighting fixtures and complexes. Terms and definitions
Document status: Active
Explosive atmospheres. Part 5. Equipment protection by powder filling 'q'
Document status: Active
Transport packagings for radioactive materials. Types and procedure of tests, acceptance regulations
Document status: Active
Power supply systems, nets, sources, converters and receivers of electric energy. Rated voltages to 1000 v and tolerances
Document status: Active