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Member for
3 ปี 1 เดือนAge: 13-14
Level: 8
Language: Czech
(cs)
ไอดี: 983572
08/05/2021
Country code: CZ
Country: Czechia
Main content: Halogenidy (2057166)
Sulfidy, Oxidy, Halogenidy, názvosloví
Other contents: Oxidy
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