Also known as sIG 33, Heavy Infantry Gun 33, 150 mm infantry gun sIG 33, Rheinmetall sIG 33, Schweres Infanteriegeschütz 33, 15cm sIG 33 infantry gun
1927 heavy infantry gun by Rheinmetall
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).