Secondary cells and batteries containing alkaline or other non-acid electrolytes. Safety requirements for lithium batteries and batteries for industrial applications
Electromagnetic compatibility of radioelectronic equipment. Radio transmitting devices of all types and purposes for national economic use. Limits for frequency tolerances. Measuring and monitoring methods
State system for ensuring the uniformity of measurements. Standard reference data. Orthohydrogen, liquid and gaseous. Density, enthalpy, entropy, isochoric, isobaric heat capacities and speed of sound at temperatures from 15 K up to 1000 K and pressures up to 100 MPa
