State system for ensuring the uniformity of measurements. Standard reference data. Silicide of vanadium. The lattice parameters in the concentration range from 20 at.% to 25 at.% of silicon. Coefficient of linear thermal expansion in the range from 20 K up to 300 K
Occupational safety standards system. Clothing for protection against high temperature of radiant, convective heat, molten splashes of metal, contact heat, limited flame spread. Technical requirements and test methods
Gas-fired central heating boilers, type B boilers, of nominal heat input exceeding 70 kW, but not exceeding 300 kW. The general technical requirements and test methods
