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3-乙炔基吡啶
PK4 WALL MOUNTING CLIP
生活饮用水中氟质控样
SOLVENT RECOVERY FLASK 250ML, 24/40, EA
球形冷凝管，22/300/24*3
MICRO LAMBDA-PIPETTES, TRANSFER TYPE, 10UL, SUITABLE FOR CERTIFICATION, COLOR CODE ORANGE
Titan 2 HPLC 滤器 黄色
STIRRERS WITH LATERAL PTFE STIRRER BLADE, WITH GROUND AND POLISHED SHAFT, WITH COUPLING PIVOT 450x16 MM, BLADE 145 MM, ST 45/40
AG11-HC 阴离子保护柱-高容量柱
STANDARD THERMOMETERS, ENCLOSED SCALE, OPTAL GLASS SCALE, DIFFICO-GRAD. MERCURY FILLING, -10+250
