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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1/00
Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
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D02G1/18
by combining fibres, filaments, or yarns, having different shrinkage characteristics
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