![](http://www.alamy.com/thumbs/6/E53BB3F9-9369-4EA5-919B-534633381728/2WHH0YC.jpg)
Soviet 37 mm automatic anti-aircraft gun 61-K, model 1939
Size: 4000px × 3182px
Location:
Photo credit: © Zoonar/Alexander Romanov / Alamy / Afripics
License: Royalty Free
Model Released: No
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