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BASF Engelhard HF-200 BASF Engelhard HF-200 3 A M.S BASF Engelhard 3 A M.S BASF Engelhard Selexsorb®CD F-200 BASF Engelhard F-200 吸附剂:adsorber 氧化铝:alumina 分子筛:molecular sieve 干燥床层:dryer bed 活性氧化铝:activated alumina 有机氟化物:organic fluorides 脱氟:Defluorination 氢氟酸:HF 烷基化:alkylation
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