State system for ensuring the uniformity of measurements. Disperse composition of aerosols and suspensions. Determination of particle size by laser diffraction
Rectangular weld moulding boxes of cast steel elements having inside dimensions: length from 400 to 500 mm, width from 300 to 400 mm, height from 75 to 200 mm. Construction and dimensions
Electrostatics. Protection of electronic devices from electrostatic phenomena. Properties and requirements classification for packaging intended for electrostatic discharge sensitive devices
