Assertion: prototype tank | /r/HasProperty | specified with 20 millimetres 0.8 inof armour
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Source sentences:
text: The prototype tank, designated A-20, was specified with 20 millimetres (0.8 in) of armour, a 45 mm (1.8 in) gun, and the new model V-2 engine, using less-flammable diesel fuel in a V12 configuration.