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Hispano-Suiza HS.9 20mm cannon
| Gun name | Hispano-Suiza HS.9 20mm cannon |
|---|---|
| Type | Cannon |
| Entered service | |
| Nation | France |
| Service | AdlA |
| Calibre | |
|---|---|
| Barrel length | |
| Muzzle velocity | |
| Effective range | |
| Maximum range | |
| Rate of fire |