82-BM-37
82-BM-37 is a 82 mm mortar or artillery model.
Also recorded as 82BM37; 82 mm mortar BM-37; BM-37; BM37; M-37; M37.
Overview
1930s portable 82 mm mortar of Soviet origin.
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
“82-BM-37”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q271686: 82-BM-37
Consult the source