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过滤装置-1000ml容量,聚苯乙烯外壳;75mm尼龙滤膜,孔径0.45um
混合纤维素脂微孔滤膜
结晶紫中性红胆盐MUG琼脂平板
取样管组件
土壤成分分析标准物质-华北平原土壤
2-(3,4-二氯苯基)乙胺
GRADUATED CYLINDERS,LOW SHAPE. 10 ML CRYSTAL CLEAR ,PMP. PACK OF 10 PCS
Envi-18 SPE小柱, PK1
GRADUATED PIPETTES, MEAUSURING, 2 ML:0,1, DIN-B, TO DIN 12696, COLOR-CODE-GREEN
7-羟基-1,3-萘二磺酸二钠标准品