Occupational safety standarts system. Filtering respiratory protective device. Self-rescuer filtering for protection against carbon monoxide with a mouthpiece assembly. General specifications
System of standards on information, librarianship and publishing. Film documents, photographic documents and microform documents. General requirements on archive storage
Electromagnetic compatibility of technical equipment. Radio disturbance from industrial, scientific, medical and domestic (ISMD) radio-frequency equipment. Limits and test methods
