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1.
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Milano [Italy] : A. Giuffrè, 1977.
French | 23 IT |
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2.
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Buffalo, New York : The Patent and Trademark Office Society, 1975.
English | 47 US |
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3.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1976.
German | 28 DE |
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4.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1981.
German | 28 DE |
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5.
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Stockholm [Sweden] : Nordiskt Immateriellt Rättsskydd (NIR), 1986.
Swiss german | 3 SE |
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6.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1978.
German | 29 DE |
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