GOST 13681-77

Information security of the public communications network providing system. Passport of the organization communications of information security

Telecommunications railway. Cable lines laying within the railway right of way. Requirements and methods of control

Occupational safety standards system. Respiratory protective devices. Filtering half masks against aerosols with additional protection against vapors and gases. General technical requirements. Test methods. Marking

Plastics. Phenolic resins. Determination of the gel time of resols under specific conditions using automatic apparatus

X-ray devices. The method of measuring AL(CU) equivalent of X-ray device envelope

Mining. Chambers of rescue. Terms and definitions