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CD-1气相毛细管色谱柱
大肠杆菌 Poly(A) 聚合酶
8453 UV-Vis氘灯
7703 硅质半面型单滤盒防毒面具(大号)
UNIVERSAL SQUARE BOTTLE, (HYBRIDISING BOTTLE), 2000 ML, PE, GRADUATED, WIDE NECK, COMPL. WITH SC
CYLINDRICAL STERILE TEST TUBES WITH SCREW CAP PP, 15 ml (100 pcs)
(1S)-(-)-樟脑烷酸
50F-LC50ULSYRINGE 进样针
叶酸纯度标准物质
6-氨基-2,4-二氯-3-甲基苯酚盐酸盐