結果 : when was the first handheld telephone invented
2:27

First Handheld Cell Phone | How We Invented the World

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0:18

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0:23

Yes, the first handheld mobile phone call✍️#english 🤑@WhatsTradeMoney

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The Telephone | How Alexander Graham Bell Revolutionized Communication in 1876 | AI History

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The History of the Smartphone!

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Dr. Martin Cooper - The Cell Phone: Humanity Transformed

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How the Sci-Fi "Communicator" Became the Cellphone, with Dr. Marty Cooper

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my first "dumb phone" 🤔

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The Surprising History of Water-Resistant Phones | phone

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This Handheld Comes With Thousands Of Games!

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ハンドヘルド ラジオの範囲を 6 セントで拡大

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