Occupational safety standards system. Special clothing for protection from toxic chemicals. Determination of resistance to penetration by sprayed liquid chemicals, emulsions and dispersions
Automobile roads of general use. Bridge constructions. The rules for repairing of expansion joints and drainage devices of precast and precast-solid reinforced concrete spans
State system for ensuring the uniformity of measurements. State verification schedule for means measuring the airborne sound pressure in the frequency range 2 Hz -100 kHz
€10
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