polybenzoxazine التعريفات والمعاني == English == === Etymology === From poly- + benzoxazine. === Noun === polybenzoxazine (plural polybenzoxazines) Any of a range of thermosetting resins derived from a benzoxazine شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة polybenzoxazines