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procedure for the continuous manufacture of 1,1,2 - trichloraethan and 1,1,2,2 - tetrachloraethan in addition to 1.2 dichloraethan by oxychlorieren of ethylene
procedure for the continuous manufacture of 1,1,2 - trichloraethan and 1,1,2,2 - tetrachloraethan in addition to 1.2 dichloraethan by oxychlorieren of ethylene