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Poroshell 120, EC-C18 色谱柱
5311-0250干燥器专用活塞
2-羟基蒽醌
Metribuzin,100ng/ul 标准品
UNIVERSAL SCISSORS, WITH PLASTIC HANDLE
GASKETS, WITHOUT PTFE-LINERS, GL 32, SEAL: 29 X 14 MM, FOR TUBES: 13,0 - 15,0 MM
20ML 螺口 TOP 样品瓶 22X77 透明 125/包装
衬管
MICRO SLIDES, HALF-WHITE- GLASS, 76 X 26 MM FULLY GROUND EDGES, IN TROPICAL PACKING, THICKNESS 0,
2-氟-3-(三氟甲基)苯甲腈