Patent classifications
A
HUMAN NECESSITIES
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A21
BAKING; EDIBLE DOUGHS
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A21D
TREATMENT OF FLOUR OR DOUGH FOR BAKING, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS
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17/00
Refreshing bakery products; or recycling bakery products
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A21D17/004
refreshing by thawing or heating
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