GOST 21463-87

High-strength structural bolting assemblies for preloading. Suitability test for preloading

Joint bars for rails of gauge railway. Technical requirements

Rare-earth metals and their oxides. Spectral method of determination of vanadium, iron, cobalt, silicon, manganese, copper, nickel, lead, titanium, chromium

Rehabilitation aids trainers. General technical requirements

Functional safety of electrical, electronic, programmable electronic safety-related systems. Part 5. Guidelines for methods of the determination of safety integrity levels

Additive technologies. Titanium alloys products manufactured by electron-beam wire deposition. General specifications