1.Bioanalytical Instruments Inc NICOLET IS50 LASER ASSEMBLY LR (Catalog Number: NC3665886by Bioanalytical Instruments Inc 714087800) 2.Thermo Scientific NICOLET IS50 IR SOURCE ASSEMBL (Catalog Number: 50-134-8876by Thermo Scientific 714094900).I need these two products ,can u suply them? pls contact me wechat. 光谱仪配件

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