GOST 23620-79

Informational ensuring of equipment and operational activity. System "man–information". Perception of information

Railway rails. General specifications

Foundations reinforced concrete for parabolic shoots. Specifications

Occupational safety standards system. Personal protective means from power frequency electric fields and electrical shock. Shunting shielding personal suit. General technical requirements. Test methods

Digital audio interface. Part 4. Professional applications

Industrial communications networks. Profiles. Part 3. Functional safety fieldbuses. General rules and profile definitions