Type 97 heavy machine gun
Type 97 heavy machine gun is a light machine gun or weapon model.
In detail
It is associated with Japan.
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
“Type 97 heavy tank machine gun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1151326: Type 97 heavy machine gun
Consult the source