1.
Les différents genres de brevets d'invention.
Courbevoie [France] : Institut National de la Propriété Industrielle, 1945.
French | 10A OMPI |
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2.
Om anvèandningar som kategori inom svensk patentrèatt / Bengt Moberg.
Moberg, Bengt, author.
Stockholm [Sweden] : Nordiskt Immateriellt Rättsskydd (NIR), 1976.
Swiss german | G 16G52(165) SE 3 |
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3.
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4.
Ueber Patentkategorien / Manfred Balk.
Balk, Manfred, author.
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1978.
German | 43 DE |
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