The ball point pen was invited by | ClassNotes

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The ball point pen was invited by | ClassNotes

E

Editor

Sep 18, 2022

The ball point pen was invited by

Difficulty: Hard

A:

Laszlo Biro

B:

Chester Carlson

C:

Johannes Gutenberg

D:

Petrache Poenaru

ID: 63273db4ca83163ac3a091f5