पेन का आविष्कार किसने किया
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Explanation:
इसका आविष्कार अमेरिकी वकील और लेदर का काम करने वाले एक व्यक्ति जॉन जैकब लाउड (John Jacob Loud) ने सन् 1888 में किया था।
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Answer:
-By 1933, Ratnam managed to produce the pen in India. and a student in Paris, Romanian petrache poenarv invented the fountain pen, which the French government patented in May 1827.
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