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硝酸盐胨水培养基
磷酸氢二铵
DURAN? Measuring cylinder, hexagonal base, class A, batch certificate, blue graduation, main points ring graduation, 5 ml
SEPARAT. FUNNELS, GLOBE SHAPED, SOLID ST-STOPCOCK PLUGS, 50 ML, PE-STOPPERS, ST 19/26, BORE 2,5 MM
2-甲胺基-4-甲氧基-6-甲基-1,3,5-三嗪
6-氯哒嗪-3-羧酸
4-氯苯甲酰氯
Titan 2 HPLC 滤器 聚醚砜 W/GMF PRE滤器 30mm 0.45um
铵离子溶液标准物质
气进样针