GDC-J型系列电磁高真空挡板阀
GDC-J16A/KF,GDC-J25A/KF,GDC-J40/KF,GDC-J50A/KF,GDC-J16A,GDC-J25A,GDC-J32, GDC-J40,GDC-J50A,GDC-J65,GDC-J80,