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2-Chlorobenzyl chloride,邻氯氯苄/25g/CAS:611-19-8'); document.write('¥60
BG-F388530C(上磨口减压层析柱/外径85mm/长度300mm/G2)'); document.write('¥354.4
BG-C184605C(砂板闪式层析柱/内径53mm/壁厚3.5mm/长610mm)'); document.write('¥311.2