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岛津配件228-15257-92
Single shaft incl. sealings and mounting key, for Transferpette? -8/12, 20-200 μl, pack of 2
LICHROSORB 100 RP-8 5UM 250X4.6MM COLUMN
(一恒) MJ-70-I霉菌培养箱,70L
泛影酸钠 标准品
聚氨酯中邻苯基苯酚、壬基苯酚成分分析标准物质
测试管
甲醇中氧氟沙星
PROSHARE防护口罩 (一般使用大包装)
Fixing Nut for 气相色谱柱 for Thermo Trace and Focus SSL Split/Splitless Injector 5pk