________7TP dwuwiezowy (twin-turret)*
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Number in Service: 22 + 2 iron prototypes*
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The design of this tank was based on the British*
Vickers E with many improvements such as better*
armor and engine.*
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First batch of 7TP tanks was built in 1935-1936 in a*
twin-turret variant armed with two 7.92mm wz.30 TMGs* 
Since 1938 they were replaced in production*
with a final single-turret variant.*
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Twin-turret tanks were mainly used for training,*
but a shortage of armour led them to be used to*
defend Warsaw in 1939 in the  improvised Warsaw*
Defense HQ Light Tank Company of 11 tanks.*
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