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4-氟-α-甲基苯乙胺盐酸盐
乙氨酰乙氨酰酪氨酰精氨酸相对分子质量标准物质
标本缸
针头(5支/包)
Stopwatch, division 1/5 sec. / 60 min., ?-55mm housing made of ABS
STERILE MIXED ESTER CELULOSE MEMBRANE FILTERS, BLACK, FOR MICROBIOLOGY
Weighing jar, PP, with hermetic-seal lid, PP, 120 x 70 mm, 400 ml
丙二醇甲醚 GR(沃凯) 500ml
LiChroCART 125-3,LiChrospher 100 NH2 10μm定制柱
DM-5MS 50m x 0.32mm x 0.25μm