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品红亚硫酸钠培养基
GC 螺纹 11MM 超净
HYPERSIL GREEN PAH 5UM 100X3MM COLUMN
水中高锰酸盐指数溶液标准物质,有证书
THERMOSTATIC-REACTION VESSEL, FLAT FLANGE WITH GROOVE, WITH DRAWAL VALVE, GRADUATED, CYLINDRICAL, ROUND BOTTOM, DN 120, 6000 ML, KF 15, VALVE 10 MM, OUTER ? 215 MM, INNER ? 170 MM, HEIGHT 44
靛基质试验用培养基
90mm 陶瓷干燥板
Metrosep C 6 - 100/4.0
BOTTLES,CONICAL SHOULDER, WIDE MOUTHED, WITH ST-PE STOPPER, 50 ML, AMBER GLASS
ASTEC (S,S) P-CAP GUARD 5UM 2CM X 4.0MM