Singapore Inventors' Development Association (SIDA) 新加坡发明协会
Aug 29
https://www.tisias.org/ican-finals2021.html
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Jul 03
Dateline: 15 July 2021 https://www.tisias.org/ican-2021.html
Nov 02
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Oct 28
Oct 24
Oct 15
Sep 25
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Sep 23
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Sep 16
