| Identifier | Title | Date | Level of description | Other information | |
|---|---|---|---|---|---|
| GFA 44/1548 | Wandplaner 2017 | 2017 | File: 1 file | Protection period until: 2047 | |
| GFA 44/1549 | Technisches Handbuch: Planungsgrundlagen für industrielle Rohrleitungssysteme | 2006 | File: 1 file | Protection period until: 2036 |
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