古腾堡
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Gutenberg, and the Art of Printing
Project Gutenberg · 2019
Project Gutenberg was the first provider of free electronic books, or eBooks. Michael Hart, founder of Project Gutenberg, invented eBooks in 1971 and …
John Gutenberg, First Master Printer
Project Gutenberg · 2019
Project Gutenberg was the first provider of free electronic books, or eBooks. Michael Hart, founder of Project Gutenberg, invented eBooks in 1971 and …