skos:altLabel | - 20mm cannon
- Type 99
- 20mm Type 99 Model 1 cannon
- 20mm shells
- Japanese 99 Mark 2
- Type 99 20mm Auto Cannon
- Type 99 20mm aircraft cannon
- Type 99 20mm cannon
- Type 99 Mark II cannon
- Type 99 Mark One cannon
- Type 99 Mark Two
- Type 99 Mark l
- Type 99 Model 1 cannon
- Type 99 Model II cannon
- Type 99 model 1 cannon
- Type 99 model 2 cannon
- Type 99-1
- Type 99-1/Type 99-2
- Type 99-1/Type 99-2 20 mm cannon
- Type 99-2
- Type 99-2 cannon
- Type 99-2 cannons
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