Changes
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[[Improved Steam Turbine]]{{·}}
[[Improved Steam Turbine]]{{·}}
[[Enhanced Steam Boiler]]{{·}}
[[Enhanced Steam Boiler]]{{·}}
[[New High-pressure, High-temperature Steam Boiler]]
[[New High Pressure-Temperature Steam Boiler]]
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|-
| style="text-align: center;"| Shell
| style="text-align: center;"| Shell
[[Anti-torpedo Bulge (Large)]]{{·}}
[[Anti-torpedo Bulge (Large)]]{{·}}
[[Searchlight]]{{·}}
[[Searchlight]]{{·}}
[[Ship Repair Facility]]{{·}}
[[Drum Canister]]
[[Drum Canister]]
|}
|}