Samco 274-20S Samco 4.8mL B/B-PET 滴管（血库）, 灭菌, 刻度标出 2mL, 20/包 Samco 4.8mL B/B-PET Transfer Pipets (Blood Bank), Sterile, Graduated To 2mL, 20/Bag Clinical Consumables 500 4000 3523