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D21H 21/14

Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper

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data.epo.org/linked-data/def/cpc/D21H21-14
Is a
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Patent classification

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Child Classification
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D21H 21/38
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D21H 21/40
Classification Type
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Cooperative Patent Classification
Parent Classification
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D21H 21/00
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