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DZ-BG-具砂板节门连接头(有效长150mm/外径53mm/上磨口24/40/下磨口19/22/G3)
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3-Amino-1-propanesulfonic acid, 3-氨基丙烷磺酸/1g/CAS:3687-18-1
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BG-F891910G(史莱克管/10mL/磨口19/22/玻璃节门/外径22mm/有效长度80mm)
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