Russian standards PDF
Microphones. Methods of measuring electroacoustic parameters
Document status: Withdrawn
Semiconducting photoelectric detectors and receiving photoelectric devices. Methods of measuring photoelectric parameters and determining characteristics
Document status: Active
Uniform provisions concerning the approval of safety belts and restraint systems for adult occupants of power-driven vehicles
Document status: Withdrawn
Cylindrical involute internal gear pairs. Calculation of geometry
Document status: Active
Radioelectronic home equipment. Reliability testing procedures
Document status: Active