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1 jun 1997 año - 1997 中国自主研发的无缆水下深潜机器人 成功潜入水下6000米处进行科学试验

Descripción:

#1997.6

标志着中国海洋技术已跻身世界先进行列

Añadido al timeline:

人教版高中历史|Chinese students' PEP SENIOR HIGH HISTORY TEXTBOOKS

ByGUZI
hace 8 meses atrás
4
0
3489

fecha:

1 jun 1997 año
Ahora mismo
~ 28 years ago
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