Noise of machines. Determination of sound insulation performances of enclosures. Part 1. Measurements under laboratory conditions for declaration of noise performance values
Gaseous chlorine and water soluble sodium oxide production. Energy consumption calculation method during hydrargyrum diaphragm electrolysis of water soluble sodium chloride
Tests for electric and optical fibre cables under fire conditions. Circuit integrity. Part 21. Procedures and requirements. Cables of rated voltage up to and including 0,6/1,0 kV
