Declension of the word "aktenkoffer"

Singular and plural for Aktenkoffer, m, strong declension     translation to English attaché case, briefcase, suitcase

Singular
Plural
Singular
Nominativ (Wer? Was?)
der Aktenkoffer
die Aktenkoffer
Genitiv (Wessen?)
des Aktenkoffers
der Aktenkoffer
Dativ (Wem?)
dem Aktenkoffer
den Aktenkoffern
Akkusativ (Wen? Was?)
den Aktenkoffer
die Aktenkoffer
Plural
die Aktenkoffer
der Aktenkoffer
den Aktenkoffern
die Aktenkoffer
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