FBN0.6,FBN1.2,FBN2.5,FBN5,FBN10,FBN20,FBN40,STEKI FBN型电磁制动器 FBN0.6,FBN1.2,FBN2.5,FBN5,FBN10,FBN20,FBN40,FBN 无锡市昌林自动化科技有限公司