•Class AS，德國原裝進口 •使用德國最高等的Duran硼矽酸玻璃 •白色刻劃，清楚易讀 •符合DIN 12 700 T2
Burettes, DURAN, amber glass, class AS, high-contrast white graduation, main point ring graduation, straight stopcock with glass key, EX (TD) calibrated, acc. to DIN 12 700 T2
