Polytetrafluorethylens التعريفات والمعاني == German == === Noun === Polytetrafluorethylens genitive singular of Polytetrafluorethylen شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة polytetrafluoroethylene Polytetrafluorethylen polytetrafluorethylene polytetrafluorethylenes Polytetrafluorethens polytetrafluoroethylenes polytétrafluoroéthylène polytétrafluoroéthylènes