Chemistry(NuTech)

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vi-N Thành viên này xem tiếng Việt là ngôn ngữ mẹ đẻ. en-2 This user has intermediate knowledge of English. ja-0 この利用者は日本語が分かりません (または理解するのがかなり困難です)。
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This user has a page on the Vietnamese Wikipedia.

This user has been on Wikipedia for 2 years, 3 months and 8 days.