| Identifier | Title | Date | Level of description | Other information | |
|---|---|---|---|---|---|
| EBA 9/245 | Ferrum Nr. 84 | 2012 | File: 5 volumes | public | |
| GFA 41/116.2 | Plastic fittings, applications: wastewater treatment plant with PVC fittings | 1960 | Item: 1 photo | digitized | prolonged period of protection | |
| GFA 41/139.2 | Piping Systems: Use in waste incineration plants | 1993 | Item: 1 photo | digitized | prolonged period of protection | |
| GFA 9/4.16.1 | International, Nr. 16, Juli 2000, 7. Jahrgang | 2000 | File: 2 volumes | digitized | public | |
| GFA 9/4.16.2 | International, No. 16, July 2000, Volume 7 | 2000 | File: 2 volumes | digitized | public |