Gruppenhorchgerät
(Q1551036)
hydrophone array used on Nazi Germany's U-boats in World War II
hydrophone array used on Nazi Germany's U-boats in World War II
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Current Data About
Gruppenhorchgerät
other details
| description | hydrophone array used on Nazi Germany's U-boats in World War II |
External Links
| (P2671) |
/g/122dl53s
|
| (P6366) |
2779165229
|