Russian standards PDF
Noise. Methods of measurement of sound insulation by acoustic hoods
Document status: Replaced
Printed circuit boards. Production of blanks, location and technological holes. Requirements for type technological processes
Document status: Active
Steel stepped columns for buildings with general-purpose overhead electric cranes of 50 ton capacity. Specifications
Document status: Withdrawn
Camera lenses. Method for measurement of the lateral aberration
Document status: Active
Printed circuit boards. Basis parameters of structure
Document status: Withdrawn