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BT-11904(杜瓦瓶真空保温装置/不锈钢/双层保温/口径140x深度75mm)
'); document.write('¥256

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BG-L200015A(移液管/刻度吸管/出口级/15mL)
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1,3-Dimethyl-2-imidazolidinone, 1,3-二甲基-2-咪唑啉酮/100g/CAS:80-73-9
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