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| More topics under "D01 - Natural or artificial threads or fibres; Spinning" (148,321) |
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| D01B - Mechanical treatment of natural fibrous or filamentary material to obtain fibres or filaments, e.g. for spinning (3,215) | | D01C - Chemical or biological treatment of natural filamentary or fibrous material to obtain filaments or fibres for spinning; Carbonising rags to recover animal fibres (1,762) | | D01D - Mechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles, or ribbons (35,800) | | D01F - Chemical features in the manufacture of artificial filaments, threads, fibres, bristles, or ribbons; Apparatus specially adapted for the manufacture of carbon filaments (61,330) | | D01G - Preliminary treatment of fibres, e.g. for spinning (14,968) | | D01H - Spinning or twisting (31,246) |
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