Samco 222-1S Samco 5.8mL 带刻度滴管,大管泡, 灭菌, 刻度标出 1mL,独立包装 Samco 5.8mL Graduated Transfer Pipets, Large Bulb, Sterile, Graduated To 1mL, Individually Wrapped Clinical Consumables 500 4000 4277