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Large scale scale model 18 pieces a set of large methane ethane ethylene acetylene butyl pentane molecular structure acetone phenol alkyd acetaldehyde water carbon dioxide ammonia chlorine gas SM series chemistry

  • Unit Price:$3.99
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  • Item#:585306063787
  • Location:China
  • Selected:loading
  • Quantity: (35847 available)
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Brand:
Shanghai teach
Color classification:
Large hydrogen molecule ratio Large chlorine ratio Large nitrogen molecule ratio Large hydrogen chloride ratio Large ammonia molecule ratio Large formaldehyde ratio Large carbon dioxide ratio Large oxygen
Production Enterprises:
Shanghai teach
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