'''Used to improve:''' {{Equipment/Link|12.7cm Twin Gun Mount Model B Kai 2}}, {{Equipment/Link|12.7cm Twin Gun Mount Model C Kai 2}}, {{Equipment/Link|QF 4.7inch Gun Mk.XII Kai}}, {{Equipment/Link|12.7cm Twin Gun Mount Model B Kai 4 (Wartime Modification) + Anti-Aircraft Fire Director}}
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'''Used to improve:
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*(0~5): {{Equipment/Link|12.7cm Twin Gun Mount Model B Kai 4 (Wartime Modification) + Anti-Aircraft Fire Director}} (x2)
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*(6~9): {{Equipment/Link|12.7cm Twin Gun Mount Model B Kai 2}}, {{Equipment/Link|12.7cm Twin Gun Mount Model C Kai 2}}, {{Equipment/Link|QF 4.7inch Gun Mk.XII Kai}} (x2)