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SISMOMETRO= zhang heng (2 ene 132 año – 21 nov 200 año)

Descripción:

inventa el primer sismometro= instrumento para medir terremotos o pequeños temblores

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Byangie
26 feb 2019
0
0
235

fecha:

2 ene 132 año
21 nov 200 año
~ 68 years
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