CPC Subgroup
C01B 17/60 Isolation of sulfur dioxide from gases
Full Title
Sulfur; Compounds thereof > Sulfur dioxide; Sulfurous acid > Preparation of sulfur dioxide > Isolation of sulfur dioxide from gases
C01B 17/60 Sulfur; Compounds thereof > Sulfur dioxide; Sulfurous acid > Preparation of sulfur dioxide > Isolation of sulfur dioxide from gases