Shpitalnyi-Vladimirov AK
Shpitalnyi-Vladimirov AK is an artillery gun or autocannon.
Also recorded as ShVAK; 20mm kanón ŠVAK.
Overview
20 mm autocannon aircraft armament.
In detail
It is associated with Soviet Union.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“ShVAK cannon”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2142092: Shpitalnyi-Vladimirov AK
Consult the source