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  • German Patent Classification

German Patent Classification

published between 1906 and 1958

en-GB/ˈd͡ʒɜːmən ˈpeɪtnt ˌklæsɪfɪˈkeɪʃən/
en-US/ˈd͡ʒɝmən ˈpætənt ˌklæsəfəˈkeɪʃən/

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patent classification