used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36 used blanchard rotary surface grinder with a vertical spindle 18-36