Assertion: tank's armament | /r/HasProperty | upgraded to the 20 mm tnsh cannon
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text: Although at first intended to carry a 12.7 mm machine gun like the T-40, the armament was later upgraded to the 20 mm TNSh cannon, a tank version of the ShVAK, on the advisement of the People's Commissar for Tanks Industry, Vyacheslav Malyshev.