Patent classifications
A
HUMAN NECESSITIES
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A23
FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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A23F
COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
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3/00
Tea; Tea substitutes; Preparations thereof
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A23F3/40
Tea flavour; Tea oil; Flavouring of tea or tea extract
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A23F3/405
Flavouring with flavours other than natural tea flavour or tea oil
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