| skos:altLabel | - BL
- breeches
- breech
- Armstrong breech-loading gun
- Armstrong cannon
- Armstrong cannons
- Breechloading
- Cylindro-prismatic
- Horizontal flat wedge
- Horizontal semi-automatic sliding block
- Horizontal sliding block
- Horizontal sliding wedge
- Horizontal sliding-block
- Horizontal sliding-wedge
- Horizontal sliding-wedge breech
- Horizontal wedge
- Horizontal-block
- Krupp horizontal sliding block
- Sliding block breech
- Sliding-block
- Vertical sliding block
- Vertical sliding wedge
- Vertical sliding-block
- Vertical sliding-breech block
- Vertical sliding-wedge
- advances in artillery technology
- breech loading artillery
- breech loading guns
- breech mechanisms
- breech-loading
- breech-loading (BL)
- breech-loading (BL) guns
- breech-loading artillery
- breech-loading guns
- breech-loading, rifled
- breechloading
- drop-block
- horizontal flat wedge
- horizontal sliding block
- horizontal sliding-block
- horizontal sliding-wedge
- horizontal sliding-wedge breech
- horizontal-block
- horizontal-sliding block breech
- horizontal-wedge
- rifled artillery
- rifled beechloading guns
- rifled breech loader
- rifled breech loading
- rifled breech loading guns
- rifled breech-loader
- rifled breech-loading
- rifled breech-loading (BL)
- rifled breech-loading (RBL)
- rifled breech-loading (RBL) gun
- rifled breech-loading (RBL) guns
- rifled breech-loading guns
- rifled breechloading guns
- sliding block
- sliding block breech
- sliding breech
- sliding wedge
- sliding wedge breech blocks
- sliding-block
- sliding-block.
- sliding-wedge
- sliding-wedge breech
- vertical breech block
- vertical sliding wedge
- vertical sliding-block
- vertical sliding-wedge
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