Russian standards PDF
Reduced-size washers. A and C accuracy classes. Technical specifications
Document status: Active
Concrete and reinforced blocks for walls of buildings. General specifications
Document status: Active
Soils. Test method for determination of the strength and deformation modulus experiencing a point load
Document status: Active
Occupational safety standards system. Respiratory protective devices. Filtering half masks against aerosols with additional protection against vapors and gases. General technical requirements. Test methods. Marking
Document status: Active
Nanotechnologies. Air purification filter materials containing polymer nanofibers. Characteristics and measurement methods
Document status: Active