Patent classifications
A
HUMAN NECESSITIES
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A24
TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
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A24F
SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
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2700/00
Tobacco pipes; Bad-covers or accessories for smokers' pipes
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A24F2700/08
Bowl-covers or accessories for smokers' pipes
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