Methods for studying the effects of chemicals on the human body. Short time exposure in vitro test method for identifying chemicals inducing serious eye damage and chemicals not requiring hazard classification for eye irritation or serious eye damage
Flanges for valves and fittings, connecting parts and pipelines for PN from 0,1 to 20 MPa (from 1 to 200kgf/cm2). Types. Connecting dimensions and dimensions of sealing surfaces
