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氧化锑 99.999%
密封圈
PISTON GASKET PE/PTFE
甲醇中对硝基苯胺-标样
PTFE Adapter, Medium Length B Type,Socket 24/29, Cone 45/40
DURAN? Erlenmeyer flask, narrow neck, with graduation, 800 ml
PTFE Temperature Probe, Type K, Baffle Probe, Cable 1M,Shaft - ? 8, L 150, 16x12x150, Total L 300mm
壬酸甲酯
乙酰丙酮铂(II)
蔬菜汁中腐霉利、毒死蜱质控样