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磷霉素
二甲基乙二醛肟
9种β-受体激动剂药物混标(农业部1025号公告-18-2008)
Silcosteel-CR Treated管路转接头,1/16″ to 1/8″ NPT
PETROCOL DH50.2 气相毛细管柱
SEPARATORY FUNNEL, SQUIBB, 250 ML, WITH ST-PTFE-STOPCOCK PLUGS, , BORE OF PLUG 2.5 MM PACK. = 2 PCS.
FIBRE-PEN, RED
密封垫 11MM 空白 500/包装
丁香醛
PH试纸4.5-10.0