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BG-C372625(具储存球闪式层析柱/容量250mL/外径26mm/内径20mm/磨口24/40/长254mm)'); document.write('¥121.6
BG-Z602440(旋蒸转换头/磨口24/40/具螺纹口)'); document.write('¥52
BG-A502440(通气管/磨口24/40/磨口以下长度153mm/管外径12mm)'); document.write('¥25.6
Potassium benzoate, 苯甲酸钾/25g/CAS:582-25-2'); document.write('¥180