used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH used kent 2 axis automatic surface grinder KGS-250AH