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2-氨基-4’-溴二苯甲酮
PCR管,PP材质,0.2 ml,平盖,无色
AUTOMATIC VOLUMETRIC PIPETTES, 100 ML, AUTOMATIC ZERO POINT, AMBER STAIN MARK, INSCRIPTION, 1 LTR.
可调夹持杆 45.7 cm(含紧固螺栓)
迪马科技甲醇,农残级
石英双蒸配件-螺帽
Sample rack 12x22mm for 889
PESTLE, MADE OF PORCELAIN, WITH GRINDING SURFACE, D. 42 MM, HEIGHT 175^ MM
瑞典munktell 高纯度石英纤维滤膜
安全标签-乙酸乙酯,规格130mm*35mm,10张/片