| D | SK | TEXTILES; PAPER |
| D01 | USK | TEXTILES OR FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR |
| D01 | KL | NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING |
| D01C | UKL | CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES |
| D01C 1/00 | HGR | Treatment of vegetable material [1, 2006.01] |
| D01C 1/02 | UGR1 | | . | by chemical methods to obtain bast fibres [1, 2006.01] |
|
| D01C 1/04 | UGR1 | | . | Bacteriological retting [1, 2006.01] |
|
| D01C 3/00 | HGR | Treatment of animal material, e.g. chemical scouring of wool (recovery of lanolin or wool wax C11B 11/00) [1, 2006.01] |
| D01C 3/02 | UGR1 | | . | De-gumming silk [1, 2006.01] |
|
| D01C 5/00 | HGR | Carbonising rags to recover animal fibres (chemical removal of vegetable impurities from threads or fabrics of animal fibres D06M) [1, 2006.01] |