Russian standards PDF
Cylindrical involute internal gear pairs. Calculation of geometry
Document status: Active
Radioelectronic home equipment. Reliability testing procedures
Document status: Active
Plain limit gauges for dimensions up to 500 mm. Required dimensions
Document status: Active
Soils. Field methods of permeability tests
Document status: Replaced by GOST 23278-2014
Power semiconducting devices. Test and measurement methods
Document status: Active