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Automatische Übersetzung:
Wang Zhen (WadeGiles: Wang Chen, fl. 1290 1333) was an official of the Yuan Dynasty (1271 1368 CE). He was one of the early innovators of the wooden movable type printing system.
. His illustrated agricultural treatise was also one of the most advanced of its day, covering a wide range of equipment and technologies available in the late 13th and early 14th century.