GOST 25139-93

Examination of art works. Paintings and graphics. General requirements

Iron ores, concentrates, agglomerates and pellets. Methods for the determination of sulphur

Petroleum. Determination of distillation characteristics by evaporation method

Stocks for round dies diameters from 25 to 90 mm. Types and basic dimensions

Files. Specifications

Broaches with diameter from 15 to 90 mm for slitting holes with involute profile and centering at outside diameter with module from 1 to 2,5 mm, double driven. Construction and dimensions