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甲醇中邻苯二甲酸二甲酯-标液
11种农药混标(GB/T 14848-2017地下水质量标准)
S-adapter for thermostatic reaction vessel, with cooling jacket, KF 15, Hose connection 12 mm, Borosilicate glass
2-氯-5-硝基甲苯
过滤坩埚,50ml, Boro 3.3, 2 D 1
1-羟基-2-萘甲酸甲酯
螺纹 8MM 蓝色 聚四氟乙烯/硅树脂 500/包装
HYDROMETER,RANGE 12|A.P.I. IN 0,1| 60|F W.THERMOM., L.380 MM, A.P.I.-NO. 56HL 62 SCALE +49 + 61,
MICRO DISTILLING APPARATUS, WIDMARK, FOR DETERMINING ALCOHOL IN BLOOD, COMPLETE
RUBBER TUBING, FOR LAB. PURPOSE, I.D. 12 MM, WALL THICKNESS 3 MM