skos:altLabel | - 3-inch
- 3 inch
- 3 inch Mortars
- 3 inch mortars
- 3-inch Mortars
- 3-inch mortar
- 3-inch mortars
- 81 KRH 39
- ML 3 Inch Mortar
- ML 3-Inch Mortar
- ML 3-inch
- ML 3-inch mortars
- ML-3 Inch
- Ordnance ML 3 inch Mortar
- Ordnance ML 3-inch mortar
- Ordnance ML 4.2 inch Mortar
- RO 3-inch
- medium mortars
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