DIFF Subgroup
A24B 15/186 Full Title
Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form (A24B3/00 takes precedence) > Treatment of tobacco products or tobacco substitutes
A24B 15/186 Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form (A24B3/00 takes precedence) > Treatment of tobacco products or tobacco substitutes