| B01D61/00 | Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (separation of gases or vapours by diffusion B01D 53/22) [5] |
| (Not Translated) |
Descriptions for B01D61/00 and notes/indexes are displayed on this screen.