1 сент 1925 г. - First Method to plasticize PVC
Описание:
Waldo Semon, while working at the B.F. Goodrich company, was able to plasticize polyvinyl chloride by mixing with certain additives, which allowed for commercial production.Добавлено на ленту времени:
Дата:
1 сент 1925 г.
Сейчас
~ 100 г назад