Printing types. Type family 'Zagolovochnaya gazetnaya' (for alphabets of Russian and roman graphic bases). Range of application. Design. Base line. Characters per 4 picas
Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 6. Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C1 to C8 hydrocarbons using three capillary columns