Samco 231NL-1S Samco 1.5mL 加细尖滴管, 小管泡, 灭菌, 单支封装, 白色盒装 Samco 1.5mL Extended Fine Tip Transfer Pipets, Small Bulb, Sterile, Individually Packed, White Box Clinical Consumables 400 3200 5243