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Witeg® A-class ASTM / USP and DIN / ISO Standard Graduated Cylinder, Tall-form, with Batch Certificate, 5~2,000㎖With Spout-Amber Stain Scale·Hexagonal Base·DURAN Glass 3.3·DE-M marked , [ Germany-made ] , DIN & ASTM 표준 메스실린더, 배취보증서, 갈색침투눈금