GOST 24897-81

Destructive tests on welds in metallic materials. Hardness testing of narrow joints welded by laser and electron beam (Vickers and Knoop hardness test)

Occupational safety standards system. Electrical safety. Terms and definitions

Silver and silver alloys. Marks

Industrial-process measurement and control. Data structures and elements in process equipment catalogues. Part 16. List of properties for density measuring equipment for electronic data exchange

Paint materials. Determination of adhesion by X-cut test method

Reinforced-concrete vibrohydropressed pressure pipes. Specifications