GOST R 57494-2017

Image intensifier and image converter tubes. Method of measuring the threshold of point illumination of the photocathode

Low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Electrical safety. Equipment for testing, measuring or monitoring of protective measures. Part 6. Residual current devices in TT and TN systems

Storage systems. Adjustable pallet racking. General specifications

Graphite electrodes for electric arc furnaces. Exploitation

Specification and qualification of welding procedures for metallic materials. Welding procedure test. Part 5. Arc welding of titanium, zirconium and their alloys

Waterproofing materials for underground parts of structures of nuclear facilities. Test method