首页>
外国专利>
A method for reducing the content of 2 - chlorobutadiene - (1,3) and benzene in 1,2 - dichlorobenzene acetylene, in the case of the thermal cleavage recirculate to vinyl chloride has been recovered
A method for reducing the content of 2 - chlorobutadiene - (1,3) and benzene in 1,2 - dichlorobenzene acetylene, in the case of the thermal cleavage recirculate to vinyl chloride has been recovered
