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Original file (1,227 × 1,835 pixels, file size: 573 KB, MIME type: image/jpeg)
Summary
| Description |
English: This porcelain enamel sign was removed from an Adlerhorst bunker in 1957. It describes the operation and servicing of the bunker's air ventilation and gas filter system. |
| Date | |
| Source | Own work |
| Author | Manta22 |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:01, 22 March 2020 | | 1,227 × 1,835 (573 KB) | Manta22 | Cross-wiki upload from en.wikipedia.org |
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