8,5x6,2x3=158m3
158x1/5=31m3=310dm3 tlen
158m3-31m3=127m3=1270dm3 azot
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8,5x6,2x3=158m3
158x1/5=31m3=310dm3 tlen
158m3-31m3=127m3=1270dm3 azot