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INTERNAL CENTER RINGS, O-RING SEALS MADE OF PERBUNAN/ STAINLESS STEEL, 10 MM
铌粉
4-氟-2-三氟甲基肉桂酸
Trifluoroacetic acid标准品
9种元素ICP-MS混标,溶于5% HNO3
11MM 塑料 螺口/钳口 样品瓶 套装 钳口 瓶盖 聚四氟乙烯/硅树脂 带狭缝 100PK
Wash-Bottle, PP, GL 45, wash-bottle cap, PP, tall shoulder, 500 ml
咪唑乙烟酸,10n/ul于乙腈 标准品
STOPCOCKS, TWO WAY, DOUBLE OBLIQUE BORE, COMPLETE WITH PTFE-KEYS, BORE 2.5 MM, NS 14.5, DURAN
隔垫0.125英寸用于24-414盖,已处理