| D21H17/00 | Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution |
| (Not Translated) |
Descriptions for D21H17/00 and notes/indexes are displayed on this screen.
Descriptions for D21H17/00 and notes/indexes are displayed on this screen.
| D21H17/00 | Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution |
| (Not Translated) |