Patent classifications
D
TEXTILES; PAPER
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D01
NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
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D01B
MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
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1/00
Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
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D01B1/02
Separating vegetable fibres from seeds, e.g. cotton
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