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PCB 50(2,2’,4,6-四氯联苯) 标准品
LiChroCART 150-4,6,LiChroprep RP-2 25-40μm定制柱
O1群霍乱弧菌诊断血清3种
ProfIC Upgrade MSM-HC Anion
ASTEC CHIROBIOTIC T2 5UM 10CM X 2.1MM
DURAN? super duty Erlenmeyer flask, narrow neck, with graduation, 500 ml
N-甲基-1-萘甲胺盐酸盐
MULTIVAP 80位干浴锅
2-溴甲基-1,4-苯并二恶烷
Staining jar, POM, for 25 microscope slides, 76 x 26 mm