Declension of the word "harmonium"

Singular and plural for Harmonium, n, strong declension     translation to English harmonium

Singular
Plural
Singular
Nominativ (Wer? Was?)
das Harmonium
Genitiv (Wessen?)
des Harmoniumes / Harmoniums
Dativ (Wem?)
dem Harmonium / Harmoniume
Akkusativ (Wen? Was?)
das Harmonium
Plural
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