Ladislaw Biro and his brother developed an improved ballpoint pen in [تم الحل]

Question

Ladislaw Biro and his brother developed an improved ballpoint pen in؟

إجابة الطالب المختصرة من خلال موقع بوابة الإجابات هي

1938

Ladislaw Biro and his brother Georg developed an improved ballpoint pen in the **1930s**.

اذا كان لديك إجابة افضل او هناك خطأ في الإجابة علي سؤال Ladislaw Biro and his brother developed an improved ballpoint pen in اترك تعليق فورآ.

Answer 1

سوف تجد إجابة سؤال Ladislaw Biro and his brother developed an improved ballpoint pen in بالأعلى.