Industrial Communication<br><br>select num from pro_kind where nation=:nation and (kind2=:kind2 or kind2='Serial Communicatio')  and (root in (:root0,81,139,140,463,707,708,833,834,835,836,891,1790,709,710,721,82,714,89,158,181,782,831,918,1673,1751,1752,159,160,161,162,164,165,166,167,168,169,170,1721,1722,1723,1724,1725,1829,171,916,917,815,817))<br>68