GOST 21405-75

Machines for rail welding, rail and rail fastening repair, transportation of long rails. General technical requirements

Arc welding power sources. Safety requirements

Floor heating water systems. Specifications

State system for ensuring the uniformity of measurements. Electromagnetic flowmeter. Calibration methods

Implants for surgery. Determination of bending strength and stiffness of bone plates

Occupational safety standards system. Protective clothing against chemicals. Performance classification and test methods for materials, seams, connections and fastenings of protective clothing against chemicals