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N-(4-Methoxybenzylidene)-4-methoxyaniline
气体取样阀
DELIVERY ADAPTER ST 29/32 - GL 18/6 ST 19/26
VISCOMETERS, CANNON UBBELOHDE A + DIL.B CAPILLARY NR.700, RANGE cST 20 000-100000 MM2/S, K: 100,0
Caps for NMR-tubes, yellow
石墨垫
(易制爆) 硝酸钾
VOLUMETRIC FLASKS, CLASS DIN-A, WITH ST-HOLLOW- GLASS STOPPERS, 250 ML, CONFORMITY CERTIFIED, ST 14
5MM 样品瓶 A/S 锥形 内插管 W
气相色谱柱,TG-5MS 30m x 0.25mm x 0.25μm