GOST 21132.0-75

State system for ensuring the uniformity of measurements. State verification schedule for measuring means of spectral, integral and reduced regular transmittance and optical density within the wavelength range from 0,2 to 50,0 um, diffused and regular reflections within the wavelength range from 0,2 to 20,0 um

Fertilizers. Determination of the fineness of grinding of soft natural phosphates

Heart valve prostheses. General specifications

System of design documents for construction. Rules for the design documentation of linear objects. Thermal networks

Silicon rubber or cross-linked polyethylene insulated flexible PVC-sheathed shipboard cables. Specifications

System of safety standards. Special protective clothes. Norms of microorganism permeability