Russian standards
Lighting fixtures and complexes. Terms and definitions
Document status: Active
Radio-frequency cable type PK 50-33-17. Specifications
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Explosive atmospheres. Part 5. Equipment protection by powder filling 'q'
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Transport packagings for radioactive materials. Types and procedure of tests, acceptance regulations
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Power supply systems, nets, sources, converters and receivers of electric energy. Rated voltages to 1000 v and tolerances
Document status: Active