Patent classifications
D
TEXTILES; PAPER
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D10
INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
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D10B
INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
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2211/00
Protein-based fibres, e.g. animal fibres
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D10B2211/01
Natural animal fibres, e.g. keratin fibres
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