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13 feb 1241 año - 1241 Cast metal movable type printing - Korea

Descripción:

The song dynasty's ceramic tiles that were used for movable type printing were very fragile. But then the Koreans created a new cast metal movable type printing which was much more stronger and durable.

Añadido al timeline:

19 oct 2017
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fecha:

13 feb 1241 año
Ahora mismo
~ 785 years ago