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SPE流量控制阀,pk2
POCKET THERMOMETERS, DIFFICO-GRADUATION RESISTANT TO ACIDS AND ALKALI. IN A NICKEL- PLATED PROTECT
4-碘-3-硝基苯甲醚
豆芽中4-氯苯氧乙酸钠 质控样
MICROLITER PIPETTES, "WITOPET", TYPE FIX 250 μl, WITH TIP EJECTOR, CONFORMITY CERTIFIED, BLU
INERTSUSTAIN C8液相色谱柱
BURETTE STOPCOCKS, STRAIGHT, GROUND AND POLISHED, WITHOUT KEYS, NS 12.5, DURAN
STIRRER SHAFTS, 7-8 MM DIA., CURVED ENDS (24 MM)
Talboys 7.6cm带橡胶顶盖工作头
Finn加样枪 Focus Long,30-300ul