Patent classifications
D
TEXTILES; PAPER
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D02
YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
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D02G
CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
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3/00
Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
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D02G3/02
Yarns or threads characterised by the material or by the materials from which they are made
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D02G3/16
Yarns or threads made from mineral substances
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