Electrical apparatus for use in the presence of combustible dust - Part 10: Classification of areas where combustible dusts are or may be present— 53 стр.
Refrigerated hydrocarbon and non-petroleum based liquefied gaseous fuels. Calibration of membrane tanks and independent prismatic tanks in ships. Manual and internal electro-optical distance-ranging methods— 52 стр.
Electrical apparatus for use in the presence of combustible dust - Part 10: Classification of areas where combustible dusts are or may be present— 53 стр.