Packing. Gas chromatographic determination of benzene, toluene, ethylbenzene, m-, o- and p-xylene, isopropylbenzene, styrene, б-methylstyrene, benzaldehyde content in the air medium
Heating boilers. Part 5. Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW. Terminology, requirements, testing and marking
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