GOST 7457-91

Non-electrical equipment for potentially explosive atmospheres. Part 5. Protection by constructional safety 'c'

Gas discharge devices. Terms and definitions

Low-voltage switchgear and controlgear. Part 5-4. Control circuit devices and switching elements. Method of assessing the performance of low-energy contacts. Special tests

Microbiology of food and animal feeding stuffs. Methods for the detection and colony count of yeasts and moulds

General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS). Part 4-1. General functional safety requirements for products intended to be integrated in HBES and BACS

Explosionproof electrical apparatus. Part 7. Type of protection e