General Science Biology Invention and Discoveries

ୱିଲହେଲମ କନରାଡ ରୋଏଣ୍ଟେନ୍ କ’ଣ ଆବିଷ୍କାର କରିଥିଲେ?

1

ବିଦ୍ୟୁତ ଚାର୍ଜର ସଂରକ୍ଷଣ

2

ଇଲେକ୍ଟ୍ରିକ୍ ବଲବ

3

ଏକ୍ସ-ରେ

4

ଥର୍ମୋଡାଇନାମିକ୍ସ

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