Akan tetapi, pada tahun 1904, terjadi suatu langkah besar dengan ditemukannya diode, tabung radio vakum pertama, yang memungkinkan adanya transmisi dan penerimaan suara.
Subject to paragraphs # to #, each Member State shall recognise for navigation on its national waterways the navigability licences issued by another Member State in accordance with Article # on the same basis as if it had issued those licences itselfjw2019 jw2019