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PERMABOND CW 20 M-DEG 毛细管气相色谱柱
STOPPER PLUGS INTO MOUTH OF CENTRIFUGE TUBES 16 X 105 MM, PE, 16 X 6 MM VE = 1000 ST
DOWEX1x8 50-100目阴离子交换树脂
移液管 容积 12ML to Deliver 12/件
(易制爆)乙二胺 GCS(沃凯)
THERMOMETER F.FLASKS A.STILL HEADS CONE ST 14/23, -38 + 50 ° C:1, 125 MM
透明 SUN 1 样品瓶 100/包装
4-溴-2-氟苄胺
泵配件
GF-9型50mm 滤纸