30
/pt/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
6384696
524434
2

5 fev 1909 ano - Leo Baekeland

Descrição:

U.S. chemist Leo Baekeland (1863–1944) presents his invention, the first synthetic plastic known as Bakelite, to the American Chemical Society.

Adicionado na linha do tempo:

Data:

5 fev 1909 ano
Agora
~ 115 years ago