Samco 273NL-1S Samco 1.7mL B/B-PET 滴管（血库）, 灭菌, 单支封装, 白色盒装 Samco 1.7mL B/B-PET Transfer Pipets (Blood Bank), Sterile, Individually Packed, White Box Clinical Consumables 500 4000 4731