Ho-1 cannon
Ho-1 cannon is an autocannon or artillery model.
Overview
20 mm autocannon.
In detail
Ho-1 cannon is an autocannon or artillery model.
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
“Ho-1 cannon”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q5964950: Ho-1 cannon
Consult the source