Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Получить премиум

Create a timeline

Public timelines

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

1 янв 1928 г. - Freon

Описание:

Freon was discovered by Thomas Midgley, Jr..

Добавлено на ленту времени:

Modern AC history

11 мар 2020

0

0

375

Дата:

1 янв 1928 г.

Сейчас

~ 97 г назад

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL