Например:
М: BT-2 Б: BT-2_cylindrical | BT-2_bis П: _37mm_Gochkins | _37mm_B-3 | _20mm_TNSH | _23mm_VJA | _37mm_ZiS-19 | _45mm_20K Р: _71-TK-1 | _71-TK-3