Samco 274-1S Samco 4.8mL B/B-PET 滴管（血库）, 灭菌, 刻度标出 2mL, 单支封装 Samco 4.8mL B/B-PET Transfer Pipets (Blood Bank), Sterile, Graduated To 2mL, Individually Packed Clinical Consumables 500 4000 4987