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N-N-丁基二乙醇胺
3-氯-2,4,5-三氟苯甲酸
(一恒) HZQ-X500C大型恒温振荡器(液晶屏),双层,托盘尺寸:750×460mm
4,4'-二羟基二苯砜
不锈钢填充柱,P/W 12% SORBITOL ON 80/100 CHROMOSORB W NAW
螺旋口样品瓶12x32mm 100个/包装 透明玻璃样品瓶 1.5ml
3-氨基-4-溴-6-氯哒嗪
SCREW FOR BOTTLES NARROW MOUTH PE 10 ML ST.14
FUNNEL, ST-CONE 29/32, ANGLE 60°C, DIA. 120 MM
BETAMAX ACID 5UM 50X4MM COLUMN