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November 21, 2008 | |||
November 30, 2006In a forest belt of area Elizovskogo of the Kamchatka area, in 5-ти kilometers from settlement the Central Koryaks experts of regional management Rosselkhoznadzora have found out 50 ...
Technical tsianamid the calcium, received prokalivaniem karbida calcium in a current of nitrogen at 1000 °s - the dark grey powder containing mainly tsianamid of calcium (57-60 ... category:events
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