| Signature mark | FA 004/4761 |
|---|---|
| Subject | Gutachten (1) |
| Title | Gutachten des Polytechnischen Vereins für das Hauptamt für Technik über ein Freiraumventil von Alfred Kürzner aus Berlin |
| Note | Hierzu wurde auch ein Vorgang bei der Abteilung Erfinderschutz der Deutschen Arbeitsfront angelegt, vgl. Bestell-Nr. FA 041/0621 |
| Duration | 1937 |
| Scope | 1 Bl. ms. |
| Subject area | Maschinenelemente. Absperrelemente. Ventile <510.07.03> |
| Rights notice | CC BY-SA 4.0 |
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