000 00265nam a2200121 a 4500
003 EIA
001 9050
942 _02
_2ddc
_cBK
245 _aProgrammable logic controllers
260 _cc2007
008 141112s2007 ck r 000 u spa d
082 _a629.8
_bR345
999 _c11553
_d11553