DIFF Subgroup
C01B 7/035 Full Title
Halogens; Halogen acids (oxyacids C01B11/00) > Chlorine; Hydrogen chloride > Preparation from chlorides
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C01B 7/035 Halogens; Halogen acids (oxyacids C01B11/00) > Chlorine; Hydrogen chloride > Preparation from chlorides