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苯氨基甲酸甲酯
SILICONE RUBBER SEALING FOR GL 18 THREADS WITH PTFE WASHER, 16 X 6 MM
八联PCR管,0.2 ml,无盖,蓝色
全麦粉中玉米赤霉烯酮成分分析标准物质
微量移液器Transferpette? S,D-1000,数字可调量程,100-1000 μl
1,4-吡嗪二羧醛
FUNNELS, 100:2 ML, CONSTANT ADDITION, CYL. GRAD., WITH PTFE-DOSING CLOSING VALVE, MARIOTTE TUBE D
辛二酸二乙酯
(定制产品)13种元素ICP-MS混标,溶于 5% HNO3/Tr HF
PE 铝(Al)空心阴极灯