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直型冷凝管
ASTM-THERMOMETER (SOLID STEM) WITH CELSIUS-SCALE RANGE, YELLOW ENAMELLED ASTM TYPE: SAYBOLT VISCOS
Bucket, PP, translucent, with pouring lip, graduated, 12 l
VOLUMETRIC FLASKS,NARROW NECK,WITH RING- MARK AND ST-STOPPER,TPX, 25 ML
125ml 灰色聚乙烯窄口试剂瓶,带刻度,带瓶盖和瓶塞
密封垫 0.5-0.8mm; 2只/包
Phenyl-[(R)-1,1-spirobiindane-7,7-diyl]phosphite
Quantitative filter paper, ?: 90 mm, speeds filtration, low ash content Case = 100 pcs.
大米粉基质中二嗪磷质控样
SPLASH HEADS, STRAIGHT, CONE ST 19/26, SOCKET ST 19/26