State system for ensuring the uniformity of measurements. Standard reference data. Liquid and gaseous isobutane. Thermodynamic properties, dynamic viscosity and thermal conductivity at temperatures from 114 К up to 600 K and pressures up to 35 Mpa
Seamless and welded steel tubes. Part 3. Automated full peripheral flux leakage testing of ferromagnetic tubes for the detection of longitudinal and/or transverse imperfections