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Supermicro 40mm Counter-Rotating Fan - 248.4 gal/min Maximum Airflow - 20500 rpm - 4-pin - Chassis-FAN-0167L4 : Available at IT Devices Canada Inc. in CANADA,. : www.itdevices.ca
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Experimental and numerical studies on small contra-rotating electrical ducted fan engines | CEAS Aeronautical Journal
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