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20×3.9mm,5umWaters XTerra MS C18保护柱芯（186000660）
¥1150
20×3.9mm,5umWaters XTerra MS C18保护柱
¥
20×3.9mm,5umWaters XTerra MS C18保护柱
¥1050
20×3.9mm,5umWaters Symmetry C-18保护柱
¥
20×3.9mm,5umWaters Symmetry C-18保护柱
¥
20×3.9mm,5umWaters Symmetry C-18保护柱
¥
20×3.9mm,5umWaters XTerra RP-18液相色谱
¥
150×3.9mm,5umWaters Symmetry C-18液相
¥
300*3.9mm,10umWaters uBondpak C18液相