390461
HS 390461 - Polytetrafluoroethylene (PTFE) (in primary forms)
Polytetrafluoroethylene (PTFE) (in primary forms)
subheadingPolytetrafluoroethylene (PTFE) (in primary forms)
Open PagePolytetrafluoroethylene (PTFE) (in primary forms)
subheadingPolytetrafluoroethylene (PTFE) (in primary forms)
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