(Q845438)
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Directorate of Imperial Observatory
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Wikipedia(5 entries)
- dewiki Kaiserliches Sternkundeamt
- kowiki 흠천감
- nowiki Det keiserlige astronomibyrå
- viwiki Khâm thiên giám
- zhwiki 钦天监
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Multilingual sites(1 entry)
- commonswiki Category:Directorate of Imperial Observatory