DIFF Subgroup
A24D 3/02 Manufacture of tobacco smoke filters
Introduced: January 1980
Full Title
Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes > Manufacture of tobacco smoke filters
Of 6 combined children, 0 exist in both systems.
6 codes are CPC-only extensions.
Child Classifications
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