Russian standards
Flanges for valves, fittings and pipelines for pressure to PN 250. Design, dimensions and general technical requirements
Document status: Active
Electric systems. Functional safety of electrical/electronic/programmable electronic safety-related systems. Part 6. Guidelines on the application of IEC 61508-2 and IEC 61508-3
Document status: Active
Cylindrical evolvent gears of external engagement. Strength calculation
Document status: Active
Non-automatic weighing instruments. Part 1. Metrological and technical requirements. Tests
Document status: Active
Climate of the USSR. Regionalizing and statistical parameters of climatic factors for technical purposes
Document status: Active
Macroclimatic regions of the world with cold and temperate climate. Regionalizing and statistical parameters of climatic factors for technical purposes
Document status: Active