Stephen van Dulken

Inventing the 20th Century: 100 Inventions That Shaped the World

Stephen van Dulken

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Inventing the 19th Century

Stephen van Dulken

$13.49 - $102.78

American Inventions: A History of Curious, Extraordinary,and Just Plain Useful Patents

Stephen van Dulken

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Inventing the American Dream: A History of Curious, Extraordinary and Just Plain Useful Patents

Stephen van Dulken

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Inventing the 21st Century

Stephen van Dulken

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Introduction to Patents Information

Stephen van Dulken

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Patenten op de 19e eeuw: De uitvinding van Kroonkurk, Vulpen, Spijkerbroek, Tennisnet, Muizenval, Rolschaatsen, Papieren zak, Fax, Zeppelin, Veiligheidslift, Dieselmotor, Afwasmachine

Stephen van Dulken

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Patenten op de 20e Eeuw

Stephen van Dulken

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