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The indexing of the unprocessed digitized microfilms is work in progress. It is conducted, film by film, by members of the Wikipedia Projekt Pressearchiv in cooperation with ZBW. Some films are fully indexed, some only top-level, some not at all.
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| Type | Company |
| Location | Neuilly-sur-Seine; La Plaine-Saint-Denis (France) |
| Founding | 1929 |
| Industry | Chemical Industry |
| GND | 272086-3 |
| Holdings | Newspaper clippings: 1971-1988 Annual reports: Chroniques des Societes Bilans: 1937-40, 1938-41 |
| Signature | A28 D 7 |
| includes | Établissements Charles Ycre |
| URI | https://pm20.zbw.eu/folder/co/056222 |
| ID | co/056222 |