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26种VOC混标(GB/T 14848-2017)
氧杂环丁烷-3-亚甲基乙酸乙酯
SINTERED DISCS, 30 MM DIAM. P 3
PUNYW10930285 Fluticasone Impurity 13
Single shaft incl. sealings and mounting key, for Transferpette? -8/12, 20-200 μl, pack of 2
铯(Cs)ICP-MS标液,10mg/L±2%溶于1% HNO3
胆硫乳琼脂(DHL)
Rod for stand bases, ? 12 mm, length 750 mm, with thread M10, aluminium
Whatman Puradisc 25 聚醚砜 针式滤器
2,4,5-三氯苯硫酚