（1）活动过滤器
看产品）
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聚碳酸酯聚碳酸酯提供可视透明度，高抗冲击性和热阻（200°F / 93.3°C）
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VacuumIdeal for degassing small parts or mixed liquids, vacuum encapsulation, and general purpose vacuum experiments.
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缬氨酸Ideal for non-frequent/minimal use and long-term storage. Economical, plastic-reinforced doors with PVC foam gasket and basic expansion latches; made of non-shedding materials.
