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DZ-BG-石英夹层水套/石英夹套/外径80/内径50/全长400
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BG-S401926(直型空心玻璃塞/直型玻璃空心塞/磨口19/26)
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BT-P80001-33(手工冲子/圆冲/直径33mm)
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BG-F963014(玻璃板布氏漏斗/30mL/磨口14/20/玻璃板直径32mm)
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BG-A701420(直型抽气接头/2mm四氟节门/磨口14/20)
'); document.write('¥56

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Pyridine sulfur trioxide,三氧化硫吡啶/500g/CAS:26412-87-3
'); document.write('¥700

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