Household and similar electrical appliances - Safety - Part 2-69: Particular requirements for wet and dry vacuum cleaners, including power brush, for commercial use (IEC 60335-2-69:2002 + A1:2004 + A2:2007, modified) (english version)
Ambient air - Standard gravimetric measurement method for the determination of the PM<(Index)10> or PM<(Index)2,5> mass concentration of suspended particulate matter— 62 стр.
