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

Descrizione:

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.

Aggiunto al nastro di tempo:

19 ott 2017
0
0
406

Data:

13 feb 1241 anni
Adesso
~ 785 years ago