The fireproof cover is formed by combining a fire sealing and heat insulating device and a filter fume extractor.
防火罩由封火保温装置和过滤排烟装置两部分组合成。
The utility model is a solvent heating countercurrent extractor which is used for the extraction of the heat sensitivity natural products.
本实用新型是一种溶剂热逆流萃取器,用于萃取热敏性天然产物。
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