Patent classifications
A
HUMAN NECESSITIES
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A45
HAND OR TRAVELLING ARTICLES
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A45D
HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
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4/00
Separate devices designed for heating hair curlers or hair-wavers
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A45D4/16
Independent devices characterised by heating the hair-curling or hair-waving means before use
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