130 mm/50 B13 Pattern 1936
... that the Soviet 130 mm/50 B13 Pattern 1936 naval gun was produced in three versions with mutually incompatible ammunition and range tables?
... that the Soviet <b id="mwDDY"><a href="./130_mm/50_B13_Pattern_1936" id="mwDDc" rel="mw:WikiLink" title="130 mm/50 B13 Pattern 1936">130 mm/50 B13 Pattern 1936</a></b> naval gun was produced in three versions with mutually incompatible ammunition and range tables?