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生活饮用水基质中马拉硫磷质控样
气接头
半固体运送培养基
MICRO SPOONS, WITH SPOON AND SPATULA BLADE
FILTER FLASKS, BOTTLE SHAPE, WITH SIDE TUBE, 5000 ML, BOROSILICATE GLASS, NON-COATED
thread bottle wide neck with GLS 80 thread DURAN complete, amber assembled
BIOBASIC PHENYL 5UM 250X1MM COLUMN
2'-苯甲酰-2,4'-二氯乙酰苯胺
具塞量筒
净化管