Russian standards PDF
Power transformers and reactors. Method for frequency response measurement
Document status: Active
Buildings and constructions. Calculation of temperature field nodes of enclosing structures
Document status: Active
Non-destructive testing. NDT personnel training organizations
Document status: Active
Methods for the petrographic analysis of coals. Part 4. Method of determining microlithotype, carbominerite and minerite composition
Document status: Active
Brown coals, hard coals and anthracite. Size classification
Document status: Active