GOST 21147-84

Lung ventilators for medical use. Part 1. Technical requirements

Apparatus telegraph, printing start-stop, 5-element code. Methods of electric parameters measuring

Copper-zinc alloys. Methods for determination of zinc

Titanium alloys. Methods for the determination of silicon

Cold-rolled electrolyze zinc sheet with polymer coating, repainted by the continuous coil-coating process. Specifications

State system for ensuriug the uniformity of measurements. Standard reference data. Chlorobenzene. Thermophysical properties (density, heat capacity, enthalpy, entropy, speed of sound, thermal conductivity and viscosity coefficients) over a temperature range from the triple point to 700 К with pressures up to 100 MPa