GOST 5531-70

Occupational safety standards system. Industrial equipment. Safety protectors

Common test methods for insulating and sheathing materials of electric cables. Measurements of thickness and overall dimensions. Test for determining the mechanical properties

Solid mineral fuel. Method for determination of mineral matter

Holding devices. Prismatic sliding assembled keys. Design

Plastic piping systems. Elastomeric-sealing-ring-type socket joints for use with plastic pressure pipes. Test method for leak tightness under negative pressure, angular deflection and deformation

Indium. Method of chemical and spectral analysis for the determination of tin