Closedbeta Flak cannon (Research) was available in Closed beta, but does not exist in the VIP version of the game. The article is being kept for historic purposes. The VIP version of Flak cannon (Research) can be found here.
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Name Picture Research Institution Time Goldbar Prerequisites Rewards
Flak cannon Flak Cannon Thumbnail Research Facility - 4  ?  ? Artillery Enables Flak cannon
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