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1000ml烧瓶刷
硅胶键合相试剂(Si-DiAmine)
(S)-(-)-4-Amino-2-hydroxybutyric Acid
黄色隔垫(10MM*5MM),50个/包,最高250度
2,3-丁二醇
环保包装9001折叠式防护口罩(耳带式/标准号)(用QCEV-XH003843436)
KECK-CLIPS FOR SPHERICAL JOINTS, POM, KS KS 19, DARKBLUE, KECK-ART.NR. 05-19/1
4,4'-二溴二苯甲酮
蓝色 SNAP-IT 密封垫 聚四氟乙烯/红色橡胶
Natural Rubber Tubing, inner ? 4 mm, outer ? 7 mm, wall thickness ? 1.5 mm, red, temperature range -30°C+70°C, for water and gas Pack = 25 m