For intellectual property law reasons accessible only from ZBW reading room.
Total number of images: unknown - currently only findable via the film list.
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| Type | Company |
| Location | Germany (Central Europe) |
| Industry | Petroleum Industry |
| Holdings | Newspaper clippings: 1957-1991 |
| includes | Defrol-Heizöl-Import |
| URI | https://pm20.zbw.eu/folder/co/055871 |
| ID | co/055871 |