What can I do?

Semanticos

dbpedia > johann welker

formatos disponibles

Heinrich Johann Welker (September 9, 1912 in Ingolstadt – December 25, 1981 in Erlangen) was a German theoretical and applied physicist who invented the "transistron", a form of transistor m ...

Do you want to access more educational content?

Sign in Join a class
x

Add to Didactalia Arrastra el botón a la barra de marcadores del navegador y comparte tus contenidos preferidos. Más info...

Game help
Juegos de anatomía
Selecciona nivel educativo