西门子S7-300/400 PLC编程：梯形图和功能块图描述 = Automating with STEP 7 in LAD and FBD：SIMATIC S7-300/400 Programmable controllers

Main Authors: 德 伯杰 H Berger, Hans ((德)Hans Berger著)
Group Author: 张同庄 (译); 郝继飞 (译); 方荣惠 (译)
Published: 人民邮电出版社
Publication Dates: 2007
Call Number: TM571.6/2243-1