_:Ba23b24b72c0909e6e0ff66a6f7baf5d6 . _:Ba23b24b72c0909e6e0ff66a6f7baf5d6 . _:B6fefef16d6c9caef4237db047a6521f9 _:Bdcdea3afa1742c2f19e39e264099a85e . _:B6fefef16d6c9caef4237db047a6521f9 . "The class for representing duration."@en . "La classe che rappresenta la durata."@it . . "Duration"@en . "Durata"@it . _:B6fefef16d6c9caef4237db047a6521f9 . . . . _:Bdcdea3afa1742c2f19e39e264099a85e _:Ba23b24b72c0909e6e0ff66a6f7baf5d6 . _:Bdcdea3afa1742c2f19e39e264099a85e .