00559nam 2229572 450000100060000000300230000600500090002900800410003808200130007907200540009202000180014610000170016426000250018125000060020624500660021265000540027865000060033265000290033829572StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621.3811 aan overall look at programmable logic controllers a0-13-679408-4 aJohn W. Webb bHall Of India c1999 a3 aprogrammable logic controllers bprinciples and applications aan overall look at programmable logic controllers a3 aprogrammabel controllers