A device for cooling a brake fluid according to a seventeenth aspect of the invention is that of the twelfth aspect of the invention characterized in that {HEAD ~ the closing valve unit} 34 is divided into {TAIL ~ a closing valve} for closing an inlet 33a side of the pump 33 and a closing valve for closing an outlet 33b side of the pump 33 
is divided into
A device for cooling a brake fluid according to a seventeenth aspect of the invention is that of the twelfth aspect of the invention characterized in that { HEAD ~ the closing valve unit } 34 is divided into { TAIL ~ a closing valve } for closing an inlet 33a side of the pump 33 and a closing valve for closing an outlet 33b side of the pump 33
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