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procedures for the recovery of useful components of the gases, which in the catalytic production of chlorcyan from hydrogen cyanide and chlorine.in the subsequent trimerisierung of chlorcyans to cyanurchlorid in the vapour phase in fall
procedures for the recovery of useful components of the gases, which in the catalytic production of chlorcyan from hydrogen cyanide and chlorine.in the subsequent trimerisierung of chlorcyans to cyanurchlorid in the vapour phase in fall