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棕色螺纹 ID 样品瓶
SPE小柱
苯基溴化镁
对氯苯酚,100ng/ul溶于甲醇 标准品
MELTING POINT THERMOMETERS, FOR OFFICIALLY TESTING O.? 6-7 MM, LENGTH 250 MM 0 +360 °C : 1
ASCENTIS C8 3UM 5CM X 2.1MM HPLC COLUMN
Abrasive set compl. for 612572XX
PIPETTE TIPS 1000 - 5000 UL, LIGHTY BLUE, FOR SOCOREX, GILSON, NICHIRYO, BOX = 200 PCS
N-EVAP系列 45位防腐型干浴氮吹仪
Agilent Lichrospher 硅基保护柱芯