>20 June 1977</td>
</tr>
<tr>
<td>Alessandro Mettimano</td>
<td>20 June 1977</td>
<td>1 April 1980</td>
</tr>
<tr>
<td>Lamberto Bartolucci</td>
<td>2 April 1980</td>
<td>12 October 1983</td>
</tr>
<tr>
<td>Basilio Cottone</td>
<td>19 October 1983</td>
<td>17 September 1986</td>
</tr>
<tr>
<td>Franco Pisano</td>
<td>18 September 1986</td>
<td>15 April 1990</td>
</tr>
<tr>
<td>Stelio Nardini</td>
<td>16 April 1990</td>
<td>24 March 1993</td>
</tr>
<tr>
<td>Adelchi Pillinini</td>
<td>25 March 1993</td>
<td>3 J