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Pyrex 9985-75 Brand 9985 watch glass; 75 mm, pack of 12
Pyrex 9985-125 Brand 9985 watch glass; 125 mm, pack of 12
聚四氟乙烯表面皿--四氟表面皿--材质纯净四氟表面皿-表面皿尺寸可加工
Cole-Parmer Watch Glass, 90 mm, fits 400 mL beakers, 12/pk
表面皿，蒸发皿，钠钙玻璃，经济型，250mm
Pyrex 9990-100 Brand 9990 ribbed watch glass; 600 mm, case of 12
表面皿，蒸发皿，钠钙玻璃，经济型，100mm
Pyrex 9985-90 Brand 9985 watch glass; 90 mm, case of 144
Pyrex 9985-100 Brand 9985 watch glass; 100 mm, pack of 12
50mm PTFE表面皿（可用作50ml烧杯盖）
