polybutylene التعريفات والمعاني == English == === Noun === polybutylene (plural polybutylenes) (chemistry) polybutene ==== Derived terms ==== polybutylene terephthalate شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة polybutylene terephthalate polybutylenes polybutylene terephthalates polybutyleenitereftalaatti polybutene polyetylenet polybutenes polyetylenen