Die Entwicklung des Telephonwesens der Schweiz und die volkswirtschaftliche Bedeutung der Schweizerischen Telephongesetzgebung.
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05/11/1898
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Resumo |
Thesis (doctoral)--Hochschule Bern. Mode of access: Internet. |
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bib |
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Idioma(s) |
ger |
Direitos |
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manuscripttext |