GOST 21236-90

Occupational safety standards system. Compressing equipment. Noise characteristics and antinoise protection. Lay-out ( composition, formulation, contents ) of technical documentation

Holes for threading pipe taper screw thread. Diameters

Injection blowpipes for manual oxy-cutting. Types, basic parameters and general technical requirements

State system for ensuring the uniformity of measurements. State special standard and all-union verification schedule for means of measurement of power of electromagnetic oscillations in waveguides within frequency range from 53,57 up to 78,33 GHz

State system for ensuring the uniformity of measurements. Standard reference data. Toluene, liquid and gaseous. Density, enthalpy, entropy, isochoric and isobaric heat capacities and speed of sound at temperatures from 180 K up to 700 K and pressures up to 100 MPa

Nature protection. Atmosphere. Rates and methods of measuring carbon monoxide and hydrocarbons content in exhaust gases of petrol-engine vehicles. Safety requirements