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手拧接头
苹果酒中的成分分析-质控样
Process Chemistry, Standard Taper, Compression Fitting, Metric, Medium Length B,Taper 29/32, Bore Si
(德国KNF) 微型隔膜真空泵
(R)-β-(苄氧羰基氨基)-γ-丁内酯
真空泵
(1R,2S)-1-苯基-2-(1-吡咯烷基)丙烷-1-醇
Measuring jug. 2000 ml, Height 185 mm, ?- 160 mm, graduated, conical shape, with handle, type 2, made of stainless steel
气相色谱柱,TG-BOND Msieve 5A 15m x 0.53mm x 50μm
4-溴异喹啉