DIFF Subgroup
B08B 9/0936 Full Title
Cleaning hollow articles by methods or apparatus specially adapted thereto > Cleaning containers, e.g. tanks > by the force of jets or sprays ( , B08B9/20 take precedence)
B08B 9/0936 Cleaning hollow articles by methods or apparatus specially adapted thereto > Cleaning containers, e.g. tanks > by the force of jets or sprays ( , B08B9/20 take precedence)