29
/de/
de
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
86319
7978
2
Erstellen
Public Timelines
Bibliothek
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
6 Jan 1930 Jahr - an efficient vaccine, or toxoid, as it is known in the cases of tetanus and diphtheria was produced against tetanus.
Zugefügt zum Band der Zeit:
2 Okt 2017
0
0
669
Engineering 2 9/29/17
Datum:
6 Jan 1930 Jahr
Jetzt
~ 94 years ago