# 45 mm anti-aircraft gun

> type of Anti-aircraft cannon

**Wikidata**: [Q4031445](https://www.wikidata.org/wiki/Q4031445)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/45_mm_anti-aircraft_gun_(21-K))  
**Source**: https://4ort.xyz/entity/45-mm-anti-aircraft-gun