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654 portable cardiac doppler products are offered for sale by suppliers on Alibaba.com, of which other veterinary instrument accounts for 68%, medical ultrasound instruments accounts for 12%, and other ultrasonic & electronic equipment accounts for 12%. A wide variety of portable cardiac doppler options are available to you, such as plastic, metal and steel.You can also choose from electrical, manual and hydraulic portable cardiac doppler,as well as from class ii, class i, and class iii portable cardiac doppler, and whether portable cardiac doppler is gb/t18830-2009, gb15979-2002, or gb2626-2006.