skos:altLabel | - 81mm mortars
- 81mm mortar
- 81mm Mortar
- 81 mm mortar
- 55 M-1 81mm
- 81 mm mortar shells
- 81mm Medium-mortar
- M252
- M252 81 mm Extended Range Mortar
- M252 81 mm Medium Weight Mortar
- M252 81 mm mortar
- M252 81 mm mortar
- M252 81mm mortar
- M252A1
- M252A1 Mortar
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