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HP-5 气相毛细管色谱柱
DB-1701毛细管柱
3-碘苯乙酸
2,3-二氟-4-羟基苯腈
Dibromochloromethane,100ng/ul 标准品
Pipette shaft with seal for Transferpette Fix type 20-50 μl and Digital type 10-50 μl
Rhodium(III) Iodide
AUTOMATIC PIPETTE - ATTACHMENT, THREAD GL 45, 10 ML
Bromchlorbuterol hydrochloride标准品
1,2-二(三乙氧基硅基)乙烷