MT-12 antitank gun
MT-12 antitank gun is an anti-tank cannon or artillery model.
Also recorded as Rapira.
In detail
It is associated with Soviet Union. The record gives 1970 as its date of establishment or first appearance.
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
“MT-12”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q477295: MT-12 antitank gun
Consult the source